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76131072 = 2832173191
BaseRepresentation
bin1001000100110…
…10101100000000
312022020212012100
410202122230000
5123442143242
611315430400
71613050323
oct442325400
9168225170
1076131072
1139a79446
12215b5400
1312a07394
14a17a7ba
156a3c54c
hex489ab00

76131072 has 108 divisors (see below), whose sum is σ = 221929344. Its totient is φ = 25098240.

The previous prime is 76131059. The next prime is 76131109. The reversal of 76131072 is 27013167.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398497 + ... + 398687.

Almost surely, 276131072 is an apocalyptic number.

76131072 is a gapful number since it is divisible by the number (72) 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 76131072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110964672).

76131072 is an abundant number, since it is smaller than the sum of its proper divisors (145798272).

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

76131072 is a wasteful number, since it uses less digits than its factorization.

76131072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 76131072 is about 8725.3121434136. The cubic root of 76131072 is about 423.8257264096.

The spelling of 76131072 in words is "seventy-six million, one hundred thirty-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 173 191 192 256 288 346 382 384 519 573 576 692 764 768 1038 1146 1152 1384 1528 1557 1719 2076 2292 2304 2768 3056 3114 3438 4152 4584 5536 6112 6228 6876 8304 9168 11072 12224 12456 13752 16608 18336 22144 24448 24912 27504 33043 33216 36672 44288 48896 49824 55008 66086 66432 73344 99129 99648 110016 132172 132864 146688 198258 199296 220032 264344 297387 396516 398592 440064 528688 594774 793032 1057376 1189548 1586064 2114752 2379096 3172128 4229504 4758192 6344256 8459008 9516384 12688512 19032768 25377024 38065536 76131072