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13702919 = 127107897
BaseRepresentation
bin110100010001…
…011100000111
3221210011212112
4310101130013
512001443134
61205411235
7224321126
oct64213407
927704775
1013702919
11780a22a
124709b1b
132aba149
141b69abd
15130a1ce
hexd11707

13702919 has 4 divisors (see below), whose sum is σ = 13810944. Its totient is φ = 13594896.

The previous prime is 13702891. The next prime is 13702937. The reversal of 13702919 is 91920731.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13702919 is a prime.

It is a super-2 number, since 2×137029192 = 375539978241122, 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 (13702999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53822 + ... + 54075.

It is an arithmetic number, because the mean of its divisors is an integer number (3452736).

Almost surely, 213702919 is an apocalyptic number.

13702919 is a deficient number, since it is larger than the sum of its proper divisors (108025).

13702919 is a wasteful number, since it uses less digits than its factorization.

13702919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108024.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 13702919 is about 3701.7453991327. The cubic root of 13702919 is about 239.2972440020.

The spelling of 13702919 in words is "thirteen million, seven hundred two thousand, nine hundred nineteen".

Divisors: 1 127 107897 13702919