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13292670 = 235443089
BaseRepresentation
bin110010101101…
…010001111110
3221000100010010
4302231101332
511400331140
61152524050
7220662066
oct62552176
927010103
1013292670
117559a86
124550626
1329a54b1
141aa03a6
151278880
hexcad47e

13292670 has 16 divisors (see below), whose sum is σ = 31902480. Its totient is φ = 3544704.

The previous prime is 13292663. The next prime is 13292677. The reversal of 13292670 is 7629231.

It is an interprime number because it is at equal distance from previous prime (13292663) and next prime (13292677).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 443089 = 13292670 / (1 + 3 + 2 + 9 + 2 + 6 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13292677) 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, 221515 + ... + 221574.

It is an arithmetic number, because the mean of its divisors is an integer number (1993905).

Almost surely, 213292670 is an apocalyptic number.

13292670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13292670 is an abundant number, since it is smaller than the sum of its proper divisors (18609810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13292670 is a wasteful number, since it uses less digits than its factorization.

13292670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443099.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 13292670 is about 3645.9114086878. The cubic root of 13292670 is about 236.8849162637.

The spelling of 13292670 in words is "thirteen million, two hundred ninety-two thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 443089 886178 1329267 2215445 2658534 4430890 6646335 13292670