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13040372 = 2229791423
BaseRepresentation
bin110001101111…
…101011110100
3220112112000202
4301233223310
511314242442
61143300032
7215561402
oct61575364
926475022
1013040372
1173a7474
12444a618
1329176c7
141a36472
151228c32
hexc6faf4

13040372 has 24 divisors (see below), whose sum is σ = 23923200. Its totient is φ = 6211296.

The previous prime is 13040359. The next prime is 13040381. The reversal of 13040372 is 27304031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8453 + ... + 9875.

It is an arithmetic number, because the mean of its divisors is an integer number (996800).

Almost surely, 213040372 is an apocalyptic number.

It is an amenable number.

13040372 is a deficient number, since it is larger than the sum of its proper divisors (10882828).

13040372 is a wasteful number, since it uses less digits than its factorization.

13040372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 13040372 is about 3611.1455246223. The cubic root of 13040372 is about 235.3766225813.

The spelling of 13040372 in words is "thirteen million, forty thousand, three hundred seventy-two".

Divisors: 1 2 4 29 58 79 116 158 316 1423 2291 2846 4582 5692 9164 41267 82534 112417 165068 224834 449668 3260093 6520186 13040372