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23823860 = 2252367773
BaseRepresentation
bin101101011100…
…0010111110100
31122211101012012
41122320113310
522044330420
62210343352
7406333214
oct132702764
948741165
1023823860
11124a2245
127b8ab58
134c21a78
143242244
152158dc5
hex16b85f4

23823860 has 48 divisors (see below), whose sum is σ = 53053056. Its totient is φ = 8967552.

The previous prime is 23823859. The next prime is 23823869. The reversal of 23823860 is 6832832.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23823869) 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, 30434 + ... + 31206.

It is an arithmetic number, because the mean of its divisors is an integer number (1105272).

Almost surely, 223823860 is an apocalyptic number.

23823860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23823860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26526528).

23823860 is an abundant number, since it is smaller than the sum of its proper divisors (29229196).

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

23823860 is a wasteful number, since it uses less digits than its factorization.

23823860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 23823860 is about 4880.9691660571. The cubic root of 23823860 is about 287.7425200029.

The spelling of 23823860 in words is "twenty-three million, eight hundred twenty-three thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 23 46 67 92 115 134 230 268 335 460 670 773 1340 1541 1546 3082 3092 3865 6164 7705 7730 15410 15460 17779 30820 35558 51791 71116 88895 103582 177790 207164 258955 355580 517910 1035820 1191193 2382386 4764772 5955965 11911930 23823860