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76140513 = 332820019
BaseRepresentation
bin1001000100111…
…00111111100001
312022021100011000
410202130333201
5123442444023
611315542213
71613120001
oct442347741
9168240130
1076140513
1139a85549
12215ba969
1312a0b777
14a180001
156a40243
hex489cfe1

76140513 has 8 divisors (see below), whose sum is σ = 112800800. Its totient is φ = 50760324.

The previous prime is 76140509. The next prime is 76140521. The reversal of 76140513 is 31504167.

76140513 is a `hidden beast` number, since 7 + 6 + 140 + 513 = 666.

It is not a de Polignac number, because 76140513 - 22 = 76140509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2820019 = 76140513 / (7 + 6 + 1 + 4 + 0 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76140553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1409983 + ... + 1410036.

It is an arithmetic number, because the mean of its divisors is an integer number (14100100).

Almost surely, 276140513 is an apocalyptic number.

It is an amenable number.

76140513 is a deficient number, since it is larger than the sum of its proper divisors (36660287).

76140513 is a wasteful number, since it uses less digits than its factorization.

76140513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820028 (or 2820022 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 76140513 is about 8725.8531388054. The cubic root of 76140513 is about 423.8432452018.

The spelling of 76140513 in words is "seventy-six million, one hundred forty thousand, five hundred thirteen".

Divisors: 1 3 9 27 2820019 8460057 25380171 76140513