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53180479 = 114834589
BaseRepresentation
bin1100101011011…
…1100000111111
310201001211220101
43022313200333
5102103233404
65135501531
71214012062
oct312674077
9121054811
1053180479
1128023310
12159878a7
13b02cc51
1470c48d9
154a072a4
hex32b783f

53180479 has 4 divisors (see below), whose sum is σ = 58015080. Its totient is φ = 48345880.

The previous prime is 53180473. The next prime is 53180489. The reversal of 53180479 is 97408135.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53180479 - 29 = 53179967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53180473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417284 + ... + 2417305.

It is an arithmetic number, because the mean of its divisors is an integer number (14503770).

Almost surely, 253180479 is an apocalyptic number.

53180479 is a deficient number, since it is larger than the sum of its proper divisors (4834601).

53180479 is a wasteful number, since it uses less digits than its factorization.

53180479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834600.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 53180479 is about 7292.4947034605. The cubic root of 53180479 is about 376.0544638737.

The spelling of 53180479 in words is "fifty-three million, one hundred eighty thousand, four hundred seventy-nine".

Divisors: 1 11 4834589 53180479