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76441248 = 253213171201
BaseRepresentation
bin1001000111001…
…10011010100000
312022211121200100
410203212122200
5124032104443
611330222400
71615511532
oct443463240
9168747610
1076441248
113a170494
1221724a00
1312ab5610
14a21b852
156a9e3d3
hex48e66a0

76441248 has 144 divisors (see below), whose sum is σ = 248078376. Its totient is φ = 22118400.

The previous prime is 76441219. The next prime is 76441271. The reversal of 76441248 is 84214467.

76441248 is a `hidden beast` number, since 7 + 644 + 1 + 2 + 4 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 36144144 + 40297104 = 6012^2 + 6348^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63048 + ... + 64248.

Almost surely, 276441248 is an apocalyptic number.

76441248 is a gapful number since it is divisible by the number (78) 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 76441248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124039188).

76441248 is an abundant number, since it is smaller than the sum of its proper divisors (171637128).

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

76441248 is a wasteful number, since it uses less digits than its factorization.

76441248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1236 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 76441248 is about 8743.0685688721. The cubic root of 76441248 is about 424.4005352415.

The spelling of 76441248 in words is "seventy-six million, four hundred forty-one thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 13 16 17 18 24 26 32 34 36 39 48 51 52 68 72 78 96 102 104 117 136 144 153 156 204 208 221 234 272 288 306 312 408 416 442 468 544 612 624 663 816 884 936 1201 1224 1248 1326 1632 1768 1872 1989 2402 2448 2652 3536 3603 3744 3978 4804 4896 5304 7072 7206 7956 9608 10608 10809 14412 15613 15912 19216 20417 21216 21618 28824 31226 31824 38432 40834 43236 46839 57648 61251 62452 63648 81668 86472 93678 115296 122502 124904 140517 163336 172944 183753 187356 245004 249808 265421 281034 326672 345888 367506 374712 490008 499616 530842 562068 653344 735012 749424 796263 980016 1061684 1124136 1470024 1498848 1592526 1960032 2123368 2248272 2388789 2940048 3185052 4246736 4496544 4777578 5880096 6370104 8493472 9555156 12740208 19110312 25480416 38220624 76441248