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14742871 = 1113131787
BaseRepresentation
bin111000001111…
…010101010111
31000202000102021
4320033111113
512233232441
61243554011
7236212063
oct70172527
930660367
1014742871
11835a5a0
124b2b907
1330925c0
141d5aaa3
1514633d1
hexe0f557

14742871 has 16 divisors (see below), whose sum is σ = 17474688. Its totient is φ = 12261600.

The previous prime is 14742863. The next prime is 14742883. The reversal of 14742871 is 17824741.

14742871 = 692 + 702 + ... + 3542.

It is not a de Polignac number, because 14742871 - 23 = 14742863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14742811) 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, 18340 + ... + 19126.

It is an arithmetic number, because the mean of its divisors is an integer number (1092168).

Almost surely, 214742871 is an apocalyptic number.

14742871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14742871 is a deficient number, since it is larger than the sum of its proper divisors (2731817).

14742871 is a wasteful number, since it uses less digits than its factorization.

14742871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its digits is 12544, while the sum is 34.

The square root of 14742871 is about 3839.6446450160. The cubic root of 14742871 is about 245.2038896950.

The spelling of 14742871 in words is "fourteen million, seven hundred forty-two thousand, eight hundred seventy-one".

Divisors: 1 11 13 131 143 787 1441 1703 8657 10231 18733 103097 112541 1134067 1340261 14742871