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23113504 = 254179223
BaseRepresentation
bin101100000101…
…0111100100000
31121111021202201
41120022330200
521404113004
62143222544
7400314211
oct130127440
947437681
1023113504
1112057577
1278a7a54
134a3363b
1430d9408
1520686a4
hex160af20

23113504 has 48 divisors (see below), whose sum is σ = 47416320. Its totient is φ = 11082240.

The previous prime is 23113501. The next prime is 23113513. The reversal of 23113504 is 40531132.

It is not an unprimeable number, because it can be changed into a prime (23113501) 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, 103537 + ... + 103759.

It is an arithmetic number, because the mean of its divisors is an integer number (987840).

Almost surely, 223113504 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 23113504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23708160).

23113504 is an abundant number, since it is smaller than the sum of its proper divisors (24302816).

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

23113504 is a wasteful number, since it uses less digits than its factorization.

23113504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23113504 is about 4807.6505696650. The cubic root of 23113504 is about 284.8537425407.

Adding to 23113504 its reverse (40531132), we get a palindrome (63644636).

The spelling of 23113504 in words is "twenty-three million, one hundred thirteen thousand, five hundred four".

Divisors: 1 2 4 8 16 32 41 79 82 158 164 223 316 328 446 632 656 892 1264 1312 1784 2528 3239 3568 6478 7136 9143 12956 17617 18286 25912 35234 36572 51824 70468 73144 103648 140936 146288 281872 292576 563744 722297 1444594 2889188 5778376 11556752 23113504