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20343102 = 2313260809
BaseRepresentation
bin100110110011…
…0100100111110
31102021112111020
41031212210332
520201434402
62004005010
7334625223
oct115464476
942245436
1020343102
111053508a
126990766
1342a3650
1429b794a
151bbc8bc
hex136693e

20343102 has 16 divisors (see below), whose sum is σ = 43816080. Its totient is φ = 6259392.

The previous prime is 20343097. The next prime is 20343137. The reversal of 20343102 is 20134302.

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, 130327 + ... + 130482.

It is an arithmetic number, because the mean of its divisors is an integer number (2738505).

Almost surely, 220343102 is an apocalyptic number.

20343102 is an abundant number, since it is smaller than the sum of its proper divisors (23472978).

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

20343102 is a wasteful number, since it uses less digits than its factorization.

20343102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260827.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20343102 is about 4510.3328036853. The cubic root of 20343102 is about 272.9851727513.

Adding to 20343102 its reverse (20134302), we get a palindrome (40477404).

The spelling of 20343102 in words is "twenty million, three hundred forty-three thousand, one hundred two".

Divisors: 1 2 3 6 13 26 39 78 260809 521618 782427 1564854 3390517 6781034 10171551 20343102