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76984668 = 2234237607
BaseRepresentation
bin1001001011010…
…11000101011100
312100212020010000
410211223011130
5124202002133
611350014300
71623234045
oct445530534
9170766100
1076984668
113a5017a2
1221947390
1312c45a77
14a31d8cc
156b5a413
hex496b15c

76984668 has 30 divisors (see below), whose sum is σ = 201253976. Its totient is φ = 25661448.

The previous prime is 76984643. The next prime is 76984697. The reversal of 76984668 is 86648967.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 118480 + ... + 119127.

Almost surely, 276984668 is an apocalyptic number.

It is an amenable number.

76984668 is an abundant number, since it is smaller than the sum of its proper divisors (124269308).

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

76984668 is a wasteful number, since it uses less digits than its factorization.

76984668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237623 (or 237612 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 76984668 is about 8774.0907221204. The cubic root of 76984668 is about 425.4038477335.

The spelling of 76984668 in words is "seventy-six million, nine hundred eighty-four thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 237607 475214 712821 950428 1425642 2138463 2851284 4276926 6415389 8553852 12830778 19246167 25661556 38492334 76984668