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13201952 = 25412561
BaseRepresentation
bin110010010111…
…001000100000
3220211201200012
4302113020200
511334430302
61150544052
7220133441
oct62271040
926751605
1013201952
1174a7905
124508028
13297310a
141a792c8
15125ba52
hexc97220

13201952 has 12 divisors (see below), whose sum is σ = 25991406. Its totient is φ = 6600960.

The previous prime is 13201943. The next prime is 13201957. The reversal of 13201952 is 25910231.

It can be written as a sum of positive squares in only one way, i.e., 9024016 + 4177936 = 3004^2 + 2044^2 .

It is a super-2 number, since 2×132019522 = 348583073220608, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13201957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206249 + ... + 206312.

Almost surely, 213201952 is an apocalyptic number.

It is an amenable number.

13201952 is a deficient number, since it is larger than the sum of its proper divisors (12789454).

13201952 is an equidigital number, since it uses as much as digits as its factorization.

13201952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412571 (or 412563 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13201952 is about 3633.4490501451. The cubic root of 13201952 is about 236.3447990726.

The spelling of 13201952 in words is "thirteen million, two hundred one thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 32 412561 825122 1650244 3300488 6600976 13201952