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53792409 = 3113152583
BaseRepresentation
bin1100110100110…
…0111010011001
310202012221022110
43031030322121
5102232324114
65200542533
71222141116
oct315147231
9122187273
1053792409
1128401040
1216021a49
13b1b5638
14720390d
154ac8759
hex334ce99

53792409 has 16 divisors (see below), whose sum is σ = 80769024. Its totient is φ = 31549200.

The previous prime is 53792371. The next prime is 53792411. The reversal of 53792409 is 90429735.

It is not a de Polignac number, because 53792409 - 27 = 53792281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53792449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25269 + ... + 27314.

It is an arithmetic number, because the mean of its divisors is an integer number (5048064).

Almost surely, 253792409 is an apocalyptic number.

It is an amenable number.

53792409 is a deficient number, since it is larger than the sum of its proper divisors (26976615).

53792409 is a wasteful number, since it uses less digits than its factorization.

53792409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52628.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 53792409 is about 7334.3308488232. The cubic root of 53792409 is about 377.4913443332.

The spelling of 53792409 in words is "fifty-three million, seven hundred ninety-two thousand, four hundred nine".

Divisors: 1 3 11 31 33 93 341 1023 52583 157749 578413 1630073 1735239 4890219 17930803 53792409