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13813250 = 253115023
BaseRepresentation
bin110100101100…
…011000000010
3221222210012212
4310230120002
512014011000
61212022122
7225260603
oct64543002
927883185
1013813250
117885110
124761942
132b28429
141b97daa
15132cc35
hexd2c602

13813250 has 32 divisors (see below), whose sum is σ = 28214784. Its totient is φ = 5022000.

The previous prime is 13813237. The next prime is 13813297. The reversal of 13813250 is 5231831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239 + ... + 5261.

It is an arithmetic number, because the mean of its divisors is an integer number (881712).

Almost surely, 213813250 is an apocalyptic number.

13813250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13813250 is an abundant number, since it is smaller than the sum of its proper divisors (14401534).

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

13813250 is a wasteful number, since it uses less digits than its factorization.

13813250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13813250 is about 3716.6180863791. The cubic root of 13813250 is about 239.9377732192.

The spelling of 13813250 in words is "thirteen million, eight hundred thirteen thousand, two hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 1375 2750 5023 10046 25115 50230 55253 110506 125575 251150 276265 552530 627875 1255750 1381325 2762650 6906625 13813250