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13169216 = 261491381
BaseRepresentation
bin110010001111…
…001001000000
3220210001202202
4302033021000
511332403331
61150132332
7216636134
oct62171100
926701682
1013169216
117485255
1244b10a8
132961248
141a6b3c4
151251ecb
hexc8f240

13169216 has 28 divisors (see below), whose sum is σ = 26327100. Its totient is φ = 6535680.

The previous prime is 13169207. The next prime is 13169227. The reversal of 13169216 is 61296131.

It can be written as a sum of positive squares in 2 ways, for example, as 3534400 + 9634816 = 1880^2 + 3104^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 8846 + ... + 10226.

Almost surely, 213169216 is an apocalyptic number.

13169216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13169216 is a deficient number, since it is larger than the sum of its proper divisors (13157884).

13169216 is a wasteful number, since it uses less digits than its factorization.

13169216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1532 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 13169216 is about 3628.9414434515. The cubic root of 13169216 is about 236.1492879056.

The spelling of 13169216 in words is "thirteen million, one hundred sixty-nine thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 64 149 298 596 1192 1381 2384 2762 4768 5524 9536 11048 22096 44192 88384 205769 411538 823076 1646152 3292304 6584608 13169216