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76160730 = 2352538691
BaseRepresentation
bin1001000101000…
…01111011011010
312022022100212210
410202201323122
5123444120410
611320215550
71613232642
oct442417332
9168270783
1076160730
1139a99758
122160a5b6
1312a17a29
14a187522
156a46220
hex48a1eda

76160730 has 16 divisors (see below), whose sum is σ = 182785824. Its totient is φ = 20309520.

The previous prime is 76160723. The next prime is 76160743. The reversal of 76160730 is 3706167.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2538691 = 76160730 / (7 + 6 + 1 + 6 + 0 + 7 + 3 + 0).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1269316 + ... + 1269375.

It is an arithmetic number, because the mean of its divisors is an integer number (11424114).

Almost surely, 276160730 is an apocalyptic number.

76160730 is an abundant number, since it is smaller than the sum of its proper divisors (106625094).

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

76160730 is a wasteful number, since it uses less digits than its factorization.

76160730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538701.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 76160730 is about 8727.0115159773. The cubic root of 76160730 is about 423.8807551522.

Adding to 76160730 its reverse (3706167), we get a palindrome (79866897).

The spelling of 76160730 in words is "seventy-six million, one hundred sixty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2538691 5077382 7616073 12693455 15232146 25386910 38080365 76160730