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13906976 = 25434593
BaseRepresentation
bin110101000011…
…010000100000
3222011112210012
4311003100200
512030010401
61214024052
7226131056
oct65032040
928145705
1013906976
117939576
1247a8028
132b5bca5
141bc01d6
15134a8bb
hexd43420

13906976 has 12 divisors (see below), whose sum is σ = 27379422. Its totient is φ = 6953472.

The previous prime is 13906943. The next prime is 13906999. The reversal of 13906976 is 67960931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 1488400 = 3524^2 + 1220^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217265 + ... + 217328.

Almost surely, 213906976 is an apocalyptic number.

13906976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13906976 is a deficient number, since it is larger than the sum of its proper divisors (13472446).

13906976 is an equidigital number, since it uses as much as digits as its factorization.

13906976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434603 (or 434595 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 13906976 is about 3729.2058135748. The cubic root of 13906976 is about 240.4792276352.

The spelling of 13906976 in words is "thirteen million, nine hundred six thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 16 32 434593 869186 1738372 3476744 6953488 13906976