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77485134 = 2312914189
BaseRepresentation
bin1001001111001…
…01010001001110
312101210122121210
410213211101032
5124314011014
611404435250
71630420116
oct447452116
9171718553
1077485134
113a813801
1221b48b26
131308c7bc
14a410046
156c08859
hex49e544e

77485134 has 8 divisors (see below), whose sum is σ = 154970280. Its totient is φ = 25828376.

The previous prime is 77485123. The next prime is 77485139. The reversal of 77485134 is 43158477.

It is a sphenic number, since it is the product of 3 distinct primes.

77485134 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 77485092 and 77485101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77485139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6457089 + ... + 6457100.

It is an arithmetic number, because the mean of its divisors is an integer number (19371285).

Almost surely, 277485134 is an apocalyptic number.

77485134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

77485134 is a wasteful number, since it uses less digits than its factorization.

77485134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914194.

The product of its digits is 94080, while the sum is 39.

The square root of 77485134 is about 8802.5640582730. The cubic root of 77485134 is about 426.3236866328.

The spelling of 77485134 in words is "seventy-seven million, four hundred eighty-five thousand, one hundred thirty-four".

Divisors: 1 2 3 6 12914189 25828378 38742567 77485134