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76860680 = 23513791871
BaseRepresentation
bin1001001010011…
…00110100001000
312100121221000212
410211030310020
5124134020210
611343220252
71622206421
oct445146410
9170557025
1076860680
113a427626
12218a7688
1312c014c0
14a2ca648
156b33805
hex494cd08

76860680 has 64 divisors (see below), whose sum is σ = 188697600. Its totient is φ = 28005120.

The previous prime is 76860677. The next prime is 76860709. The reversal of 76860680 is 8606867.

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, 40145 + ... + 42015.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 276860680 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 76860680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94348800).

76860680 is an abundant number, since it is smaller than the sum of its proper divisors (111836920).

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

76860680 is a wasteful number, since it uses less digits than its factorization.

76860680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 76860680 is about 8767.0222995040. The cubic root of 76860680 is about 425.1753463309.

The spelling of 76860680 in words is "seventy-six million, eight hundred sixty thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 79 104 130 158 260 316 395 520 632 790 1027 1580 1871 2054 3160 3742 4108 5135 7484 8216 9355 10270 14968 18710 20540 24323 37420 41080 48646 74840 97292 121615 147809 194584 243230 295618 486460 591236 739045 972920 1182472 1478090 1921517 2956180 3843034 5912360 7686068 9607585 15372136 19215170 38430340 76860680