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13554397 = 29271227
BaseRepresentation
bin110011101101…
…001011011101
3221111122010201
4303231023131
511432220042
61202303501
7223132123
oct63551335
927448121
1013554397
11771868a
124657b91
132a6766c
141b2b913
1512cb1b7
hexced2dd

13554397 has 12 divisors (see below), whose sum is σ = 14298336. Its totient is φ = 12845840.

The previous prime is 13554371. The next prime is 13554403. The reversal of 13554397 is 79345531.

It is not a de Polignac number, because 13554397 - 27 = 13554269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13554097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59598 + ... + 59824.

It is an arithmetic number, because the mean of its divisors is an integer number (1191528).

Almost surely, 213554397 is an apocalyptic number.

It is an amenable number.

13554397 is a deficient number, since it is larger than the sum of its proper divisors (743939).

13554397 is an equidigital number, since it uses as much as digits as its factorization.

13554397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 327 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The square root of 13554397 is about 3681.6296663298. The cubic root of 13554397 is about 238.4295434781.

The spelling of 13554397 in words is "thirteen million, five hundred fifty-four thousand, three hundred ninety-seven".

Divisors: 1 29 71 227 841 2059 6583 16117 59711 190907 467393 13554397