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13037172 = 2233729363
BaseRepresentation
bin110001101110…
…111001110100
3220112100122020
4301232321310
511314142142
61143233140
7215546151
oct61567164
926470566
1013037172
1173a5025
1244487b0
132916105
141a35228
151227cec
hexc6ee74

13037172 has 24 divisors (see below), whose sum is σ = 31243296. Its totient is φ = 4228128.

The previous prime is 13037161. The next prime is 13037177. The reversal of 13037172 is 27173031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13037177) 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, 14238 + ... + 15125.

It is an arithmetic number, because the mean of its divisors is an integer number (1301804).

Almost surely, 213037172 is an apocalyptic number.

13037172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13037172 is an abundant number, since it is smaller than the sum of its proper divisors (18206124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13037172 is a wasteful number, since it uses less digits than its factorization.

13037172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29407 (or 29405 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 13037172 is about 3610.7024247368. The cubic root of 13037172 is about 235.3573678440.

The spelling of 13037172 in words is "thirteen million, thirty-seven thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 29363 58726 88089 117452 176178 352356 1086431 2172862 3259293 4345724 6518586 13037172