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13439070 = 2325149323
BaseRepresentation
bin110011010001…
…000001011110
3221021202221100
4303101001132
511420022240
61200013530
7222141651
oct63210136
927252840
1013439070
117649a77
1246012a6
132a27018
141adb898
1512a6e30
hexcd105e

13439070 has 24 divisors (see below), whose sum is σ = 34941816. Its totient is φ = 3583728.

The previous prime is 13439053. The next prime is 13439071. The reversal of 13439070 is 7093431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13439071) 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 11 ways as a sum of consecutive naturals, for example, 74572 + ... + 74751.

It is an arithmetic number, because the mean of its divisors is an integer number (1455909).

Almost surely, 213439070 is an apocalyptic number.

13439070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13439070 is an abundant number, since it is smaller than the sum of its proper divisors (21502746).

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

13439070 is a wasteful number, since it uses less digits than its factorization.

13439070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149336 (or 149333 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13439070 is about 3665.9337146217. The cubic root of 13439070 is about 237.7513940084.

It can be divided in two parts, 134 and 39070, that added together give a square (39204 = 1982).

The spelling of 13439070 in words is "thirteen million, four hundred thirty-nine thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 149323 298646 447969 746615 895938 1343907 1493230 2239845 2687814 4479690 6719535 13439070