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13973401 = 131074877
BaseRepresentation
bin110101010011…
…011110011001
3222021220220101
4311103132121
512034122101
61215255401
7226525531
oct65233631
928256811
1013973401
117984472
12481a561
132b832b0
141bda4c1
151360401
hexd53799

13973401 has 4 divisors (see below), whose sum is σ = 15048292. Its totient is φ = 12898512.

The previous prime is 13973363. The next prime is 13973413. The reversal of 13973401 is 10437931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7728400 + 6245001 = 2780^2 + 2499^2 .

It is a cyclic number.

It is not a de Polignac number, because 13973401 - 219 = 13449113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13973401.

It is not an unprimeable number, because it can be changed into a prime (13973431) 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, 537426 + ... + 537451.

It is an arithmetic number, because the mean of its divisors is an integer number (3762073).

Almost surely, 213973401 is an apocalyptic number.

It is an amenable number.

13973401 is a deficient number, since it is larger than the sum of its proper divisors (1074891).

13973401 is a wasteful number, since it uses less digits than its factorization.

13973401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074890.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 13973401 is about 3738.1012559855. The cubic root of 13973401 is about 240.8614930442.

The spelling of 13973401 in words is "thirteen million, nine hundred seventy-three thousand, four hundred one".

Divisors: 1 13 1074877 13973401