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13400032 = 25418751
BaseRepresentation
bin110011000111…
…011111100000
3221012210101111
4303013133200
511412300112
61155113104
7221620102
oct63073740
927183344
1013400032
117622708
1245a2794
132a12319
141acb572
15129a5a7
hexcc77e0

13400032 has 12 divisors (see below), whose sum is σ = 26381376. Its totient is φ = 6700000.

The previous prime is 13400027. The next prime is 13400033. The reversal of 13400032 is 23000431.

It is a junction number, because it is equal to n+sod(n) for n = 13399985 and 13400021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13400033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209344 + ... + 209407.

It is an arithmetic number, because the mean of its divisors is an integer number (2198448).

Almost surely, 213400032 is an apocalyptic number.

It is an amenable number.

13400032 is a deficient number, since it is larger than the sum of its proper divisors (12981344).

13400032 is an equidigital number, since it uses as much as digits as its factorization.

13400032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418761 (or 418753 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13400032 is about 3660.6054144089. The cubic root of 13400032 is about 237.5209628773.

Adding to 13400032 its reverse (23000431), we get a palindrome (36400463).

The spelling of 13400032 in words is "thirteen million, four hundred thousand, thirty-two".

Divisors: 1 2 4 8 16 32 418751 837502 1675004 3350008 6700016 13400032