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76696680 = 23352292791
BaseRepresentation
bin1001001001001…
…00110001101000
312100022121001210
410210210301220
5124113243210
611335513120
71620624324
oct444446150
9170277053
1076696680
113a325395
12218287a0
1312b74968
14a286984
156aeee20
hex4924c68

76696680 has 64 divisors (see below), whose sum is σ = 231177600. Its totient is φ = 20355840.

The previous prime is 76696661. The next prime is 76696723. The reversal of 76696680 is 8669667.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26085 + ... + 28875.

It is an arithmetic number, because the mean of its divisors is an integer number (3612150).

Almost surely, 276696680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76696680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115588800).

76696680 is an abundant number, since it is smaller than the sum of its proper divisors (154480920).

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

76696680 is a wasteful number, since it uses less digits than its factorization.

76696680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034 (or 3030 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 76696680 is about 8757.6640721142. The cubic root of 76696680 is about 424.8727277496.

The spelling of 76696680 in words is "seventy-six million, six hundred ninety-six thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 229 458 687 916 1145 1374 1832 2290 2748 2791 3435 4580 5496 5582 6870 8373 9160 11164 13740 13955 16746 22328 27480 27910 33492 41865 55820 66984 83730 111640 167460 334920 639139 1278278 1917417 2556556 3195695 3834834 5113112 6391390 7669668 9587085 12782780 15339336 19174170 25565560 38348340 76696680