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13001375 = 53472213
BaseRepresentation
bin110001100110…
…001010011111
3220110112112102
4301212022133
511312021000
61142355315
7215336612
oct61461237
926415472
1013001375
117380142
12442bb3b
132902a2a
141a26179
15121c3d5
hexc6629f

13001375 has 16 divisors (see below), whose sum is σ = 16578432. Its totient is φ = 10175200.

The previous prime is 13001347. The next prime is 13001389. The reversal of 13001375 is 57310031.

It is a happy number.

It is not a de Polignac number, because 13001375 - 28 = 13001119 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4769 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (1036152).

Almost surely, 213001375 is an apocalyptic number.

13001375 is a deficient number, since it is larger than the sum of its proper divisors (3577057).

13001375 is an equidigital number, since it uses as much as digits as its factorization.

13001375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 13001375 is about 3605.7419486147. The cubic root of 13001375 is about 235.1417584419.

The spelling of 13001375 in words is "thirteen million, one thousand, three hundred seventy-five".

Divisors: 1 5 25 47 125 235 1175 2213 5875 11065 55325 104011 276625 520055 2600275 13001375