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23041312 = 257293547
BaseRepresentation
bin101011111100…
…1010100100000
31121100121201221
41113321110200
521344310222
62141504424
7366563560
oct127712440
947317657
1023041312
1112008308
127872114
134a09818
1430bada0
1520520c7
hex15f9520

23041312 has 48 divisors (see below), whose sum is σ = 53645760. Its totient is φ = 9531648.

The previous prime is 23041309. The next prime is 23041349. The reversal of 23041312 is 21314032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 4723 + ... + 8269.

It is an arithmetic number, because the mean of its divisors is an integer number (1117620).

Almost surely, 223041312 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 23041312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26822880).

23041312 is an abundant number, since it is smaller than the sum of its proper divisors (30604448).

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

23041312 is a wasteful number, since it uses less digits than its factorization.

23041312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593 (or 3585 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 23041312 is about 4800.1366647211. The cubic root of 23041312 is about 284.5568654650.

Adding to 23041312 its reverse (21314032), we get a palindrome (44355344).

The spelling of 23041312 in words is "twenty-three million, forty-one thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 29 32 56 58 112 116 203 224 232 406 464 812 928 1624 3248 3547 6496 7094 14188 24829 28376 49658 56752 99316 102863 113504 198632 205726 397264 411452 720041 794528 822904 1440082 1645808 2880164 3291616 5760328 11520656 23041312