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23530304 = 26753991
BaseRepresentation
bin101100111000…
…0101101000000
31122021110111202
41121300231000
522010432204
62200200332
7404001320
oct131605500
948243452
1023530304
1112311736
127a690a8
134b4b275
1431a7280
1520ebe1e
hex1670b40

23530304 has 56 divisors (see below), whose sum is σ = 54425088. Its totient is φ = 9884160.

The previous prime is 23530259. The next prime is 23530307. The reversal of 23530304 is 40303532.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23249 + ... + 24239.

Almost surely, 223530304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23530304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27212544).

23530304 is an abundant number, since it is smaller than the sum of its proper divisors (30894784).

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

23530304 is an equidigital number, since it uses as much as digits as its factorization.

23530304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063 (or 1053 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 23530304 is about 4850.8044693638. The cubic root of 23530304 is about 286.5557842902. Note that the first 3 decimals are identical.

Adding to 23530304 its reverse (40303532), we get a palindrome (63833836).

The spelling of 23530304 in words is "twenty-three million, five hundred thirty thousand, three hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 53 56 64 106 112 212 224 371 424 448 742 848 991 1484 1696 1982 2968 3392 3964 5936 6937 7928 11872 13874 15856 23744 27748 31712 52523 55496 63424 105046 110992 210092 221984 367661 420184 443968 735322 840368 1470644 1680736 2941288 3361472 5882576 11765152 23530304