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13874269 = 101137369
BaseRepresentation
bin110100111011…
…010001011101
3222002212220211
4310323101131
512022434034
61213212421
7225633523
oct64732135
928085824
1013874269
117916a42
124791111
132b4a136
141bb2313
151340d64
hexd3b45d

13874269 has 4 divisors (see below), whose sum is σ = 14011740. Its totient is φ = 13736800.

The previous prime is 13874243. The next prime is 13874279. The reversal of 13874269 is 96247831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9078169 + 4796100 = 3013^2 + 2190^2 .

It is a cyclic number.

It is not a de Polignac number, because 13874269 - 27 = 13874141 is a prime.

It is a super-2 number, since 2×138742692 = 384990680568722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13874219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68584 + ... + 68785.

It is an arithmetic number, because the mean of its divisors is an integer number (3502935).

Almost surely, 213874269 is an apocalyptic number.

It is an amenable number.

13874269 is a deficient number, since it is larger than the sum of its proper divisors (137471).

13874269 is a wasteful number, since it uses less digits than its factorization.

13874269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137470.

The product of its digits is 72576, while the sum is 40.

The square root of 13874269 is about 3724.8179821301. The cubic root of 13874269 is about 240.2905566596.

The spelling of 13874269 in words is "thirteen million, eight hundred seventy-four thousand, two hundred sixty-nine".

Divisors: 1 101 137369 13874269