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1137737952 = 2532132291327
BaseRepresentation
bin100001111010000…
…1000000011100000
32221021212002001200
41003310020003200
54312230103302
6304521401200
740123420161
oct10364100340
92837762050
101137737952
115342503aa
12279039200
13151934a30
14ab163768
1569d3c81c
hex43d080e0

1137737952 has 144 divisors (see below), whose sum is σ = 3502175040. Its totient is φ = 348281856.

The previous prime is 1137737893. The next prime is 1137737957. The reversal of 1137737952 is 2597377311.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 1137737898 and 1137737907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137737957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 856713 + ... + 858039.

It is an arithmetic number, because the mean of its divisors is an integer number (24320660).

Almost surely, 21137737952 is an apocalyptic number.

1137737952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1137737952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1751087520).

1137737952 is an abundant number, since it is smaller than the sum of its proper divisors (2364437088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1137737952 is a wasteful number, since it uses less digits than its factorization.

1137737952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1574 counting only the distinct ones).

The product of its digits is 277830, while the sum is 45.

The square root of 1137737952 is about 33730.3713587621. The cubic root of 1137737952 is about 1043.9525234939.

The spelling of 1137737952 in words is "one billion, one hundred thirty-seven million, seven hundred thirty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 117 144 156 208 229 234 288 312 416 458 468 624 687 916 936 1248 1327 1374 1832 1872 2061 2654 2748 2977 3664 3744 3981 4122 5308 5496 5954 7328 7962 8244 8931 10616 10992 11908 11943 15924 16488 17251 17862 21232 21984 23816 23886 26793 31848 32976 34502 35724 42464 47632 47772 51753 53586 63696 65952 69004 71448 95264 95544 103506 107172 127392 138008 142896 155259 191088 207012 214344 276016 285792 303883 310518 382176 414024 428688 552032 607766 621036 828048 857376 911649 1215532 1242072 1656096 1823298 2431064 2484144 2734947 3646596 3950479 4862128 4968288 5469894 7293192 7900958 9724256 10939788 11851437 14586384 15801916 21879576 23702874 29172768 31603832 35554311 43759152 47405748 63207664 71108622 87518304 94811496 126415328 142217244 189622992 284434488 379245984 568868976 1137737952