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77468930 = 25711100609
BaseRepresentation
bin1001001111000…
…01010100000010
312101202211101122
410213201110002
5124313001210
611404232242
71630321640
oct447412402
9171684348
1077468930
113a802610
1221b3b682
1313085306
14a408190
156c03b55
hex49e1502

77468930 has 32 divisors (see below), whose sum is σ = 173854080. Its totient is φ = 24145920.

The previous prime is 77468869. The next prime is 77468957. The reversal of 77468930 is 3986477.

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, 49535 + ... + 51074.

It is an arithmetic number, because the mean of its divisors is an integer number (5432940).

Almost surely, 277468930 is an apocalyptic number.

77468930 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

77468930 is an abundant number, since it is smaller than the sum of its proper divisors (96385150).

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

77468930 is a wasteful number, since it uses less digits than its factorization.

77468930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100634.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 77468930 is about 8801.6435965108. The cubic root of 77468930 is about 426.2939663916.

The spelling of 77468930 in words is "seventy-seven million, four hundred sixty-eight thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 100609 201218 503045 704263 1006090 1106699 1408526 2213398 3521315 5533495 7042630 7746893 11066990 15493786 38734465 77468930