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23149368 = 2333119743
BaseRepresentation
bin101100001001…
…1101100111000
31121120002222000
41120103230320
521411234433
62144101000
7400523604
oct130235470
947502860
1023149368
1112081510
127904760
134a46a68
143108504
152074113
hex1613b38

23149368 has 64 divisors (see below), whose sum is σ = 70156800. Its totient is φ = 7014240.

The previous prime is 23149367. The next prime is 23149369. The reversal of 23149368 is 86394132.

It is an interprime number because it is at equal distance from previous prime (23149367) and next prime (23149369).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23149363) 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, 2496 + ... + 7247.

It is an arithmetic number, because the mean of its divisors is an integer number (1096200).

Almost surely, 223149368 is an apocalyptic number.

It is an amenable number.

23149368 is an abundant number, since it is smaller than the sum of its proper divisors (47007432).

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

23149368 is a wasteful number, since it uses less digits than its factorization.

23149368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9769 (or 9759 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 23149368 is about 4811.3790122999. The cubic root of 23149368 is about 285.0009972264. Note that the first 3 decimals are identical.

The spelling of 23149368 in words is "twenty-three million, one hundred forty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 88 99 108 132 198 216 264 297 396 594 792 1188 2376 9743 19486 29229 38972 58458 77944 87687 107173 116916 175374 214346 233832 263061 321519 350748 428692 526122 643038 701496 857384 964557 1052244 1286076 1929114 2104488 2572152 2893671 3858228 5787342 7716456 11574684 23149368