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1379207552 = 27175311959
BaseRepresentation
bin101001000110101…
…0000100110000000
310120010020000002012
41102031100212000
510311034120202
6344505112052
746115033162
oct12215204600
93503200065
101379207552
11648588058
12325a88628
1318c97b758
14d125c932
1581139152
hex52350980

1379207552 has 64 divisors (see below), whose sum is σ = 2964405600. Its totient is φ = 636739584.

The previous prime is 1379207513. The next prime is 1379207591. The reversal of 1379207552 is 2557029731.

It is an interprime number because it is at equal distance from previous prime (1379207513) and next prime (1379207591).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109349 + ... + 121307.

Almost surely, 21379207552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379207552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482202800).

1379207552 is an abundant number, since it is smaller than the sum of its proper divisors (1585198048).

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

1379207552 is a wasteful number, since it uses less digits than its factorization.

1379207552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12043 (or 12031 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 1379207552 is about 37137.6837188320. The cubic root of 1379207552 is about 1113.1231341684.

The spelling of 1379207552 in words is "one billion, three hundred seventy-nine million, two hundred seven thousand, five hundred fifty-two".

Divisors: 1 2 4 8 16 17 32 34 53 64 68 106 128 136 212 272 424 544 848 901 1088 1696 1802 2176 3392 3604 6784 7208 11959 14416 23918 28832 47836 57664 95672 115328 191344 203303 382688 406606 633827 765376 813212 1267654 1530752 1626424 2535308 3252848 5070616 6505696 10141232 10775059 13011392 20282464 21550118 26022784 40564928 43100236 81129856 86200472 172400944 344801888 689603776 1379207552