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47248992 = 25327231019
BaseRepresentation
bin1011010000111…
…1011001100000
310021220111102200
42310033121200
544043431432
64404413200
71112416110
oct264173140
9107814380
1047248992
112474195a
12139a7200
139a341ab
1463bd040
154234a7c
hex2d0f660

47248992 has 144 divisors (see below), whose sum is σ = 160392960. Its totient is φ = 12900096.

The previous prime is 47248987. The next prime is 47248997. The reversal of 47248992 is 29984274.

It is an interprime number because it is at equal distance from previous prime (47248987) and next prime (47248997).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47248997) 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, 45859 + ... + 46877.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 247248992 is an apocalyptic number.

47248992 is a gapful number since it is divisible by the number (42) 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 47248992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80196480).

47248992 is an abundant number, since it is smaller than the sum of its proper divisors (113143968).

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

47248992 is a wasteful number, since it uses less digits than its factorization.

47248992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1054 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 47248992 is about 6873.7902208316. The cubic root of 47248992 is about 361.5187687896.

The spelling of 47248992 in words is "forty-seven million, two hundred forty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 32 36 42 46 48 56 63 69 72 84 92 96 112 126 138 144 161 168 184 207 224 252 276 288 322 336 368 414 483 504 552 644 672 736 828 966 1008 1019 1104 1288 1449 1656 1932 2016 2038 2208 2576 2898 3057 3312 3864 4076 5152 5796 6114 6624 7133 7728 8152 9171 11592 12228 14266 15456 16304 18342 21399 23184 23437 24456 28532 32608 36684 42798 46368 46874 48912 57064 64197 70311 73368 85596 93748 97824 114128 128394 140622 146736 164059 171192 187496 210933 228256 256788 281244 293472 328118 342384 374992 421866 492177 513576 562488 656236 684768 749984 843732 984354 1027152 1124976 1312472 1476531 1687464 1968708 2054304 2249952 2624944 2953062 3374928 3937416 5249888 5906124 6749856 7874832 11812248 15749664 23624496 47248992