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13973934 = 2313213781
BaseRepresentation
bin110101010011…
…100110101110
3222021221122010
4311103212232
512034131214
61215302050
7226530222
oct65234656
928257563
1013973934
117984907
12481a926
132b83600
141bda782
151360659
hexd539ae

13973934 has 24 divisors (see below), whose sum is σ = 30265272. Its totient is φ = 4299360.

The previous prime is 13973933. The next prime is 13973951. The reversal of 13973934 is 43937931.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 13973892 and 13973901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13973933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5877 + ... + 7904.

It is an arithmetic number, because the mean of its divisors is an integer number (1261053).

Almost surely, 213973934 is an apocalyptic number.

13973934 is an abundant number, since it is smaller than the sum of its proper divisors (16291338).

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

13973934 is a wasteful number, since it uses less digits than its factorization.

13973934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812 (or 13799 counting only the distinct ones).

The product of its digits is 61236, while the sum is 39.

The square root of 13973934 is about 3738.1725481845. The cubic root of 13973934 is about 240.8645554708.

The spelling of 13973934 in words is "thirteen million, nine hundred seventy-three thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 13781 27562 41343 82686 179153 358306 537459 1074918 2328989 4657978 6986967 13973934