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13241657 = 1113217419
BaseRepresentation
bin110010100000…
…110100111001
3220220202010202
4302200310321
511342213112
61151451545
7220360262
oct62406471
926822122
1013241657
117524720
124526bb5
132988200
141a89969
1512686c2
hexca0d39

13241657 has 24 divisors (see below), whose sum is σ = 16601760. Its totient is φ = 10433280.

The previous prime is 13241653. The next prime is 13241663. The reversal of 13241657 is 75614231.

It is not a de Polignac number, because 13241657 - 22 = 13241653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13241653) 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 23 ways as a sum of consecutive naturals, for example, 31394 + ... + 31812.

It is an arithmetic number, because the mean of its divisors is an integer number (691740).

Almost surely, 213241657 is an apocalyptic number.

13241657 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13241657 is a deficient number, since it is larger than the sum of its proper divisors (3360103).

13241657 is a wasteful number, since it uses less digits than its factorization.

13241657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 460 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 13241657 is about 3638.9087650008. The cubic root of 13241657 is about 236.5814983721.

Adding to 13241657 its reverse (75614231), we get a palindrome (88855888).

The spelling of 13241657 in words is "thirteen million, two hundred forty-one thousand, six hundred fifty-seven".

Divisors: 1 11 13 17 143 169 187 221 419 1859 2431 2873 4609 5447 7123 31603 59917 70811 78353 92599 778921 1018589 1203787 13241657