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23108256 = 25321941103
BaseRepresentation
bin101100000100…
…1101010100000
31121111000120100
41120021222200
521403431011
62143142400
7400263003
oct130115240
947430510
1023108256
1112053636
1278a4a00
134a31132
1430d753a
152066d56
hex1609aa0

23108256 has 144 divisors (see below), whose sum is σ = 71547840. Its totient is φ = 7050240.

The previous prime is 23108251. The next prime is 23108257. The reversal of 23108256 is 65280132.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23108251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224301 + ... + 224403.

It is an arithmetic number, because the mean of its divisors is an integer number (496860).

Almost surely, 223108256 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 23108256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35773920).

23108256 is an abundant number, since it is smaller than the sum of its proper divisors (48439584).

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

23108256 is a wasteful number, since it uses less digits than its factorization.

23108256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 23108256 is about 4807.1047419419. The cubic root of 23108256 is about 284.8321819039.

Adding to 23108256 its reverse (65280132), we get a palindrome (88388388).

The spelling of 23108256 in words is "twenty-three million, one hundred eight thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 41 48 57 72 76 82 96 103 114 123 144 152 164 171 206 228 246 288 304 309 328 342 369 412 456 492 608 618 656 684 738 779 824 912 927 984 1236 1312 1368 1476 1558 1648 1824 1854 1957 1968 2337 2472 2736 2952 3116 3296 3708 3914 3936 4223 4674 4944 5472 5871 5904 6232 7011 7416 7828 8446 9348 9888 11742 11808 12464 12669 14022 14832 15656 16892 17613 18696 23484 24928 25338 28044 29664 31312 33784 35226 37392 38007 46968 50676 56088 62624 67568 70452 74784 76014 80237 93936 101352 112176 135136 140904 152028 160474 187872 202704 224352 240711 281808 304056 320948 405408 481422 563616 608112 641896 722133 962844 1216224 1283792 1444266 1925688 2567584 2888532 3851376 5777064 7702752 11554128 23108256