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13842811 = 172192521
BaseRepresentation
bin110100110011…
…100101111011
3222001021202201
4310303211323
512020432221
61212411031
7225443023
oct64634573
928037681
1013842811
1178a5344
124776a77
132b38a18
141ba4a83
151336891
hexd3397b

13842811 has 12 divisors (see below), whose sum is σ = 15485080. Its totient is φ = 12337920.

The previous prime is 13842809. The next prime is 13842817. The reversal of 13842811 is 11824831.

It is not a de Polignac number, because 13842811 - 21 = 13842809 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13842811.

It is not an unprimeable number, because it can be changed into a prime (13842817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4231 + ... + 6751.

Almost surely, 213842811 is an apocalyptic number.

13842811 is a deficient number, since it is larger than the sum of its proper divisors (1642269).

13842811 is a wasteful number, since it uses less digits than its factorization.

13842811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574 (or 2557 counting only the distinct ones).

The product of its digits is 1536, while the sum is 28.

The square root of 13842811 is about 3720.5928291067. The cubic root of 13842811 is about 240.1088106140.

The spelling of 13842811 in words is "thirteen million, eight hundred forty-two thousand, eight hundred eleven".

Divisors: 1 17 19 289 323 2521 5491 42857 47899 728569 814283 13842811