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13670457 = 37436133
BaseRepresentation
bin110100001001…
…100000111001
3221201112100020
4310021200321
511444423312
61205001053
7224124363
oct64114071
927645306
1013670457
1177978a9
1246b3189
132aa8438
141b5bd33
15130078c
hexd09839

13670457 has 8 divisors (see below), whose sum is σ = 18254784. Its totient is φ = 9099888.

The previous prime is 13670417. The next prime is 13670497. The reversal of 13670457 is 75407631.

13670457 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13670417) and next prime (13670497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13670457 - 218 = 13408313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13670417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (2281848).

Almost surely, 213670457 is an apocalyptic number.

It is an amenable number.

13670457 is a deficient number, since it is larger than the sum of its proper divisors (4584327).

13670457 is an equidigital number, since it uses as much as digits as its factorization.

13670457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6879.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 13670457 is about 3697.3581108678. The cubic root of 13670457 is about 239.1081307831.

The spelling of 13670457 in words is "thirteen million, six hundred seventy thousand, four hundred fifty-seven".

Divisors: 1 3 743 2229 6133 18399 4556819 13670457