Search a number
-
+
13802562 = 23485201
BaseRepresentation
bin110100101001…
…110001000010
3221222020120000
4310221301002
512013140222
61211500430
7225214464
oct64516102
927866500
1013802562
117878084
124757716
132b235c7
141b94134
1513299ac
hexd29c42

13802562 has 20 divisors (see below), whose sum is σ = 30928326. Its totient is φ = 4600800.

The previous prime is 13802543. The next prime is 13802567. The reversal of 13802562 is 26520831.

It can be written as a sum of positive squares in only one way, i.e., 11148921 + 2653641 = 3339^2 + 1629^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13802567) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42439 + ... + 42762.

Almost surely, 213802562 is an apocalyptic number.

13802562 is an abundant number, since it is smaller than the sum of its proper divisors (17125764).

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

13802562 is an equidigital number, since it uses as much as digits as its factorization.

13802562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85215 (or 85206 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13802562 is about 3715.1799418063. The cubic root of 13802562 is about 239.8758733134.

The spelling of 13802562 in words is "thirteen million, eight hundred two thousand, five hundred sixty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 85201 170402 255603 511206 766809 1533618 2300427 4600854 6901281 13802562