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13013958 = 2314914557
BaseRepresentation
bin110001101001…
…001111000110
3220111011210110
4301221033012
511312421313
61142533450
7215421366
oct61511706
926434713
1013013958
117389641
124437286
132908689
141a2a9a6
151220ec3
hexc693c6

13013958 has 16 divisors (see below), whose sum is σ = 26204400. Its totient is φ = 4308576.

The previous prime is 13013941. The next prime is 13013963. The reversal of 13013958 is 85931031.

It is a happy number.

13013958 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6385 + ... + 8172.

It is an arithmetic number, because the mean of its divisors is an integer number (1637775).

Almost surely, 213013958 is an apocalyptic number.

13013958 is an abundant number, since it is smaller than the sum of its proper divisors (13190442).

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

13013958 is a wasteful number, since it uses less digits than its factorization.

13013958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14711.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 13013958 is about 3607.4863825107. The cubic root of 13013958 is about 235.2175923372.

Adding to 13013958 its reverse (85931031), we get a palindrome (98944989).

The spelling of 13013958 in words is "thirteen million, thirteen thousand, nine hundred fifty-eight".

Divisors: 1 2 3 6 149 298 447 894 14557 29114 43671 87342 2168993 4337986 6506979 13013958