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13718290 = 254361523
BaseRepresentation
bin110100010101…
…001100010010
3221210221221211
4310111030102
512002441130
61210010334
7224414005
oct64251422
927727854
1013718290
11781a833
1247169aa
132ac4141
141b7153c
15130ea2a
hexd15312

13718290 has 32 divisors (see below), whose sum is σ = 25730496. Its totient is φ = 5261760.

The previous prime is 13718279. The next prime is 13718293. The reversal of 13718290 is 9281731.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (13718293) 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, 25969 + ... + 26491.

It is an arithmetic number, because the mean of its divisors is an integer number (804078).

Almost surely, 213718290 is an apocalyptic number.

13718290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13718290 is a deficient number, since it is larger than the sum of its proper divisors (12012206).

13718290 is a wasteful number, since it uses less digits than its factorization.

13718290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 13718290 is about 3703.8209999945. The cubic root of 13718290 is about 239.3866863430.

The spelling of 13718290 in words is "thirteen million, seven hundred eighteen thousand, two hundred ninety".

Divisors: 1 2 5 10 43 61 86 122 215 305 430 523 610 1046 2615 2623 5230 5246 13115 22489 26230 31903 44978 63806 112445 159515 224890 319030 1371829 2743658 6859145 13718290