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13769437 = 112113797
BaseRepresentation
bin110100100001…
…101011011101
3221220120010011
4310201223131
512011110222
61211043221
7225016063
oct64415335
927816104
1013769437
117855200
124740511
132b114c6
141b86033
15131ec77
hexd21add

13769437 has 6 divisors (see below), whose sum is σ = 15135134. Its totient is φ = 12517560.

The previous prime is 13769429. The next prime is 13769447. The reversal of 13769437 is 73496731.

13769437 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10106041 + 3663396 = 3179^2 + 1914^2 .

It is not a de Polignac number, because 13769437 - 23 = 13769429 is a prime.

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 13769437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13769447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56778 + ... + 57019.

Almost surely, 213769437 is an apocalyptic number.

It is an amenable number.

13769437 is a deficient number, since it is larger than the sum of its proper divisors (1365697).

13769437 is a wasteful number, since it uses less digits than its factorization.

13769437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113819 (or 113808 counting only the distinct ones).

The product of its digits is 95256, while the sum is 40.

The square root of 13769437 is about 3710.7192025266. The cubic root of 13769437 is about 239.6838255549.

It can be divided in two parts, 137694 and 37, that added together give a palindrome (137731).

The spelling of 13769437 in words is "thirteen million, seven hundred sixty-nine thousand, four hundred thirty-seven".

Divisors: 1 11 121 113797 1251767 13769437