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13094445 = 3571353181
BaseRepresentation
bin110001111100…
…111000101101
3220122021012110
4301330320231
511323010240
61144354233
7216205140
oct61747055
926567173
1013094445
117434061
124475979
1329361c0
141a4c057
151239c80
hexc7ce2d

13094445 has 64 divisors (see below), whose sum is σ = 26417664. Its totient is φ = 5391360.

The previous prime is 13094441. The next prime is 13094447. The reversal of 13094445 is 54449031.

It is not a de Polignac number, because 13094445 - 22 = 13094441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13094441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72255 + ... + 72435.

It is an arithmetic number, because the mean of its divisors is an integer number (412776).

Almost surely, 213094445 is an apocalyptic number.

13094445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13094445 is an abundant number, since it is smaller than the sum of its proper divisors (13323219).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13094445 is a wasteful number, since it uses less digits than its factorization.

13094445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 13094445 is about 3618.6247387647. The cubic root of 13094445 is about 235.7015102613.

The spelling of 13094445 in words is "thirteen million, ninety-four thousand, four hundred forty-five".

Divisors: 1 3 5 7 13 15 21 35 39 53 65 91 105 159 181 195 265 273 371 455 543 689 795 905 1113 1267 1365 1855 2067 2353 2715 3445 3801 4823 5565 6335 7059 9593 10335 11765 14469 16471 19005 24115 28779 35295 47965 49413 67151 72345 82355 124709 143895 201453 247065 335755 374127 623545 872963 1007265 1870635 2618889 4364815 13094445