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23026864 = 2472231277
BaseRepresentation
bin101011111010…
…1110010110000
31121022212220211
41113311302300
521343324424
62141313504
7366503500
oct127656260
947285824
1023026864
1111aa8473
127865894
134a03083
1430b5a00
15204cb94
hex15f5cb0

23026864 has 60 divisors (see below), whose sum is σ = 54197424. Its totient is φ = 9432192.

The previous prime is 23026853. The next prime is 23026909. The reversal of 23026864 is 46862032.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17394 + ... + 18670.

Almost surely, 223026864 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 23026864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27098712).

23026864 is an abundant number, since it is smaller than the sum of its proper divisors (31170560).

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

23026864 is a wasteful number, since it uses less digits than its factorization.

23026864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 23026864 is about 4798.6314715760. The cubic root of 23026864 is about 284.4973761267.

Adding to 23026864 its reverse (46862032), we get a palindrome (69888896).

The spelling of 23026864 in words is "twenty-three million, twenty-six thousand, eight hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 23 28 46 49 56 92 98 112 161 184 196 322 368 392 644 784 1127 1277 1288 2254 2554 2576 4508 5108 8939 9016 10216 17878 18032 20432 29371 35756 58742 62573 71512 117484 125146 143024 205597 234968 250292 411194 469936 500584 822388 1001168 1439179 1644776 2878358 3289552 5756716 11513432 23026864