Search a number
-
+
13965402 = 2311211597
BaseRepresentation
bin110101010001…
…100001011010
3222021111221010
4311101201122
512033343102
61215154350
7226463313
oct65214132
928244833
1013965402
117979460
1248159b6
132b7c769
141bd760a
15135cd6c
hexd5185a

13965402 has 16 divisors (see below), whose sum is σ = 30470112. Its totient is φ = 4231920.

The previous prime is 13965397. The next prime is 13965403. The reversal of 13965402 is 20456931.

It is a self number, because there is not a number n which added to its sum of digits gives 13965402.

It is not an unprimeable number, because it can be changed into a prime (13965403) 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 7 ways as a sum of consecutive naturals, for example, 105733 + ... + 105864.

It is an arithmetic number, because the mean of its divisors is an integer number (1904382).

Almost surely, 213965402 is an apocalyptic number.

13965402 is an abundant number, since it is smaller than the sum of its proper divisors (16504710).

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

13965402 is a wasteful number, since it uses less digits than its factorization.

13965402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211613.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 13965402 is about 3737.0311746091. The cubic root of 13965402 is about 240.8155243061.

The spelling of 13965402 in words is "thirteen million, nine hundred sixty-five thousand, four hundred two".

Divisors: 1 2 3 6 11 22 33 66 211597 423194 634791 1269582 2327567 4655134 6982701 13965402