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13880295 = 3351113719
BaseRepresentation
bin110100111100…
…101111100111
3222010012012000
4310330233213
512023132140
61213300343
7225660222
oct64745747
928105160
1013880295
117920520
1247946b3
132b4cac0
141bb45b9
151342a30
hexd3cbe7

13880295 has 64 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 6203520.

The previous prime is 13880261. The next prime is 13880327. The reversal of 13880295 is 59208831.

It is not a de Polignac number, because 13880295 - 26 = 13880231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18946 + ... + 19664.

It is an arithmetic number, because the mean of its divisors is an integer number (453600).

Almost surely, 213880295 is an apocalyptic number.

13880295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13880295 is an abundant number, since it is smaller than the sum of its proper divisors (15150105).

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

13880295 is a wasteful number, since it uses less digits than its factorization.

13880295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 13880295 is about 3725.6267929034. The cubic root of 13880295 is about 240.3253400252.

The spelling of 13880295 in words is "thirteen million, eight hundred eighty thousand, two hundred ninety-five".

Divisors: 1 3 5 9 11 13 15 27 33 39 45 55 65 99 117 135 143 165 195 297 351 429 495 585 715 719 1287 1485 1755 2145 2157 3595 3861 6435 6471 7909 9347 10785 19305 19413 23727 28041 32355 39545 46735 71181 84123 97065 102817 118635 140205 213543 252369 308451 355905 420615 514085 925353 1067715 1261845 1542255 2776059 4626765 13880295