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76139900 = 2252761399
BaseRepresentation
bin1001000100111…
…00110101111100
312022021022022022
410202130311330
5123442434100
611315535312
71613115134
oct442346574
9168238268
1076139900
1139a85041
12215ba538
1312a0b3c5
14a17dac4
156a3ee85
hex489cd7c

76139900 has 18 divisors (see below), whose sum is σ = 165223800. Its totient is φ = 30455920.

The previous prime is 76139881. The next prime is 76139927. The reversal of 76139900 is 993167.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380600 + ... + 380799.

It is an arithmetic number, because the mean of its divisors is an integer number (9179100).

Almost surely, 276139900 is an apocalyptic number.

It is an amenable number.

76139900 is an abundant number, since it is smaller than the sum of its proper divisors (89083900).

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

76139900 is a wasteful number, since it uses less digits than its factorization.

76139900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761413 (or 761406 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 76139900 is about 8725.8180132295. The cubic root of 76139900 is about 423.8421077582.

The spelling of 76139900 in words is "seventy-six million, one hundred thirty-nine thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 761399 1522798 3045596 3806995 7613990 15227980 19034975 38069950 76139900