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13393850 = 252267877
BaseRepresentation
bin110011000101…
…111110111010
3221012110220112
4303011332322
511412100400
61155024322
7221563061
oct63057672
927173815
1013393850
117618aa8
12459b0a2
132a0c572
141ac91d8
151298835
hexcc5fba

13393850 has 12 divisors (see below), whose sum is σ = 24912654. Its totient is φ = 5357520.

The previous prime is 13393847. The next prime is 13393859. The reversal of 13393850 is 5839331.

It can be written as a sum of positive squares in 3 ways, for example, as 6355441 + 7038409 = 2521^2 + 2653^2 .

It is not an unprimeable number, because it can be changed into a prime (13393859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133889 + ... + 133988.

Almost surely, 213393850 is an apocalyptic number.

13393850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13393850 is a deficient number, since it is larger than the sum of its proper divisors (11518804).

13393850 is a wasteful number, since it uses less digits than its factorization.

13393850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267889 (or 267884 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 13393850 is about 3659.7609211532. The cubic root of 13393850 is about 237.4844311124.

The spelling of 13393850 in words is "thirteen million, three hundred ninety-three thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 267877 535754 1339385 2678770 6696925 13393850