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13071938 = 211594179
BaseRepresentation
bin110001110111…
…011001000010
3220121010022212
4301313121002
511321300223
61144102122
7216052415
oct61673102
926533285
1013071938
117419160
124464942
132928b99
141a43b7c
151233278
hexc77642

13071938 has 8 divisors (see below), whose sum is σ = 21390480. Its totient is φ = 5941780.

The previous prime is 13071923. The next prime is 13071941. The reversal of 13071938 is 83917031.

13071938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297068 + ... + 297111.

It is an arithmetic number, because the mean of its divisors is an integer number (2673810).

Almost surely, 213071938 is an apocalyptic number.

13071938 is a deficient number, since it is larger than the sum of its proper divisors (8318542).

13071938 is a wasteful number, since it uses less digits than its factorization.

13071938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594192.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13071938 is about 3615.5135181603. The cubic root of 13071938 is about 235.5663899563.

Adding to 13071938 its reverse (83917031), we get a palindrome (96988969).

The spelling of 13071938 in words is "thirteen million, seventy-one thousand, nine hundred thirty-eight".

Divisors: 1 2 11 22 594179 1188358 6535969 13071938