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13253146 = 2192291523
BaseRepresentation
bin110010100011…
…101000011010
3220221022220021
4302203220122
511343100041
61152021054
7220435624
oct62435032
926838807
1013253146
117532315
12453178a
1329904ca
141a8dc14
15126bcd1
hexca3a1a

13253146 has 16 divisors (see below), whose sum is σ = 21031200. Its totient is φ = 6246288.

The previous prime is 13253137. The next prime is 13253147. The reversal of 13253146 is 64135231.

It is a self number, because there is not a number n which added to its sum of digits gives 13253146.

It is not an unprimeable number, because it can be changed into a prime (13253147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7941 + ... + 9463.

It is an arithmetic number, because the mean of its divisors is an integer number (1314450).

Almost surely, 213253146 is an apocalyptic number.

13253146 is a deficient number, since it is larger than the sum of its proper divisors (7778054).

13253146 is a wasteful number, since it uses less digits than its factorization.

13253146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its digits is 2160, while the sum is 25.

The square root of 13253146 is about 3640.4870553265. The cubic root of 13253146 is about 236.6499011686.

Adding to 13253146 its reverse (64135231), we get a palindrome (77388377).

The spelling of 13253146 in words is "thirteen million, two hundred fifty-three thousand, one hundred forty-six".

Divisors: 1 2 19 38 229 458 1523 3046 4351 8702 28937 57874 348767 697534 6626573 13253146