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23227680 = 2535731223
BaseRepresentation
bin101100010011…
…0110100100000
31121201002101110
41120212310200
521421241210
62145503320
7401301120
oct130466440
947632343
1023227680
1112125333
127941b40
134a735b8
143128c80
15208c420
hex1626d20

23227680 has 192 divisors, whose sum is σ = 86704128. Its totient is φ = 5114880.

The previous prime is 23227669. The next prime is 23227703. The reversal of 23227680 is 8672232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104049 + ... + 104271.

It is an arithmetic number, because the mean of its divisors is an integer number (451584).

Almost surely, 223227680 is an apocalyptic number.

23227680 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 23227680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43352064).

23227680 is an abundant number, since it is smaller than the sum of its proper divisors (63476448).

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

23227680 is a wasteful number, since it uses less digits than its factorization.

23227680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 23227680 is about 4819.5103485728. The cubic root of 23227680 is about 285.3220121477.

The spelling of 23227680 in words is "twenty-three million, two hundred twenty-seven thousand, six hundred eighty".