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77104134 = 23213930817
BaseRepresentation
bin1001001100010…
…00010000000110
312101002021222200
410212020100012
5124214313014
611352335330
71624242252
oct446102006
9171067880
1077104134
113a583528
12219a4546
1312c88263
14a351262
156b80a09
hex4988406

77104134 has 24 divisors (see below), whose sum is σ = 168266280. Its totient is φ = 25515648.

The previous prime is 77104123. The next prime is 77104141. The reversal of 77104134 is 43140177.

It is a junction number, because it is equal to n+sod(n) for n = 77104098 and 77104107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12907 + ... + 17910.

It is an arithmetic number, because the mean of its divisors is an integer number (7011095).

Almost surely, 277104134 is an apocalyptic number.

77104134 is an abundant number, since it is smaller than the sum of its proper divisors (91162146).

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

77104134 is a wasteful number, since it uses less digits than its factorization.

77104134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30964 (or 30961 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 77104134 is about 8780.8959679522. The cubic root of 77104134 is about 425.6237834324.

The spelling of 77104134 in words is "seventy-seven million, one hundred four thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 139 278 417 834 1251 2502 30817 61634 92451 184902 277353 554706 4283563 8567126 12850689 25701378 38552067 77104134