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23280648 = 233970027
BaseRepresentation
bin101100011001…
…1110000001000
31121210210001020
41120303300020
521424440043
62150552440
7401611416
oct130636010
947723036
1023280648
1112161106
127968720
134a91741
1431402b6
15209ce83
hex1633c08

23280648 has 16 divisors (see below), whose sum is σ = 58201680. Its totient is φ = 7760208.

The previous prime is 23280641. The next prime is 23280671. The reversal of 23280648 is 84608232.

It is not an unprimeable number, because it can be changed into a prime (23280641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484990 + ... + 485037.

It is an arithmetic number, because the mean of its divisors is an integer number (3637605).

Almost surely, 223280648 is an apocalyptic number.

It is an amenable number.

23280648 is an abundant number, since it is smaller than the sum of its proper divisors (34921032).

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

23280648 is a wasteful number, since it uses less digits than its factorization.

23280648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970036 (or 970032 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 23280648 is about 4825.0023834191. The cubic root of 23280648 is about 285.5387286273.

The spelling of 23280648 in words is "twenty-three million, two hundred eighty thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 970027 1940054 2910081 3880108 5820162 7760216 11640324 23280648