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76313988 = 2234235537
BaseRepresentation
bin1001000110001…
…11010110000100
312022121011010000
410203013112010
5124014021423
611323401300
71614441522
oct443072604
9168534100
1076313988
113a093913
1221683230
1312a6c70a
14a1c7312
156a76843
hex48c7584

76313988 has 30 divisors (see below), whose sum is σ = 199500686. Its totient is φ = 25437888.

The previous prime is 76313959. The next prime is 76313999. The reversal of 76313988 is 88931367.

It is a happy number.

76313988 is a `hidden beast` number, since 7 + 631 + 3 + 9 + 8 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42928704 + 33385284 = 6552^2 + 5778^2 .

It is a super-3 number, since 3×763139883 (a number of 25 digits) contains 333 as substring.

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 9 ways as a sum of consecutive naturals, for example, 117445 + ... + 118092.

Almost surely, 276313988 is an apocalyptic number.

It is an amenable number.

76313988 is an abundant number, since it is smaller than the sum of its proper divisors (123186698).

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

76313988 is a wasteful number, since it uses less digits than its factorization.

76313988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235553 (or 235542 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 76313988 is about 8735.7877721474. The cubic root of 76313988 is about 424.1648892914.

The spelling of 76313988 in words is "seventy-six million, three hundred thirteen thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 235537 471074 706611 942148 1413222 2119833 2826444 4239666 6359499 8479332 12718998 19078497 25437996 38156994 76313988