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39070013 = 311260323
BaseRepresentation
bin1001010100001…
…0100100111101
32201111221222112
42111002210331
540000220023
63513223405
7653042513
oct225024475
981457875
1039070013
1120065974
1211101b65
13812c468
1452904b3
15366b478
hex254293d

39070013 has 4 divisors (see below), whose sum is σ = 40330368. Its totient is φ = 37809660.

The previous prime is 39070001. The next prime is 39070033. The reversal of 39070013 is 31007093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39070013 - 26 = 39069949 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 (39070033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630131 + ... + 630192.

It is an arithmetic number, because the mean of its divisors is an integer number (10082592).

Almost surely, 239070013 is an apocalyptic number.

It is an amenable number.

39070013 is a deficient number, since it is larger than the sum of its proper divisors (1260355).

39070013 is a wasteful number, since it uses less digits than its factorization.

39070013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260354.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 39070013 is about 6250.6010111029. The cubic root of 39070013 is about 339.3239536608.

The spelling of 39070013 in words is "thirty-nine million, seventy thousand, thirteen".

Divisors: 1 31 1260323 39070013