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23204130 = 2351940709
BaseRepresentation
bin101100010000…
…1000100100010
31121122220002020
41120201010202
521420013010
62145202310
7401142345
oct130410442
947586066
1023204130
1112109674
127930396
134a65971
14312045c
152085470
hex1621122

23204130 has 32 divisors (see below), whose sum is σ = 58622400. Its totient is φ = 5861952.

The previous prime is 23204123. The next prime is 23204131. The reversal of 23204130 is 3140232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23204131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19785 + ... + 20924.

It is an arithmetic number, because the mean of its divisors is an integer number (1831950).

Almost surely, 223204130 is an apocalyptic number.

23204130 is an abundant number, since it is smaller than the sum of its proper divisors (35418270).

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

23204130 is a wasteful number, since it uses less digits than its factorization.

23204130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40738.

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

The square root of 23204130 is about 4817.0665347284. The cubic root of 23204130 is about 285.2255524421.

Adding to 23204130 its reverse (3140232), we get a palindrome (26344362).

The spelling of 23204130 in words is "twenty-three million, two hundred four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 40709 81418 122127 203545 244254 407090 610635 773471 1221270 1546942 2320413 3867355 4640826 7734710 11602065 23204130