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13801486 = 2192511447
BaseRepresentation
bin110100101001…
…100000001110
3221222012002011
4310221200032
512013121421
61211451434
7225211366
oct64514016
927865064
1013801486
117877296
124756b7a
132b22c7a
141b939a6
1513294e1
hexd2980e

13801486 has 16 divisors (see below), whose sum is σ = 21893760. Its totient is φ = 6507000.

The previous prime is 13801483. The next prime is 13801499. The reversal of 13801486 is 68410831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13801483) 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, 8815 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (1368360).

Almost surely, 213801486 is an apocalyptic number.

13801486 is a deficient number, since it is larger than the sum of its proper divisors (8092274).

13801486 is a wasteful number, since it uses less digits than its factorization.

13801486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 13801486 is about 3715.0351276939. The cubic root of 13801486 is about 239.8696398536.

The spelling of 13801486 in words is "thirteen million, eight hundred one thousand, four hundred eighty-six".

Divisors: 1 2 19 38 251 502 1447 2894 4769 9538 27493 54986 363197 726394 6900743 13801486