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23280963 = 37760321
BaseRepresentation
bin101100011001…
…1110101000011
31121210210110220
41120303311003
521424442323
62150554123
7401612346
oct130636503
947723426
1023280963
1112161372
127968943
134a91924
14314045d
15209d0e3
hex1633d43

23280963 has 4 divisors (see below), whose sum is σ = 31041288. Its totient is φ = 15520640.

The previous prime is 23280949. The next prime is 23280967. The reversal of 23280963 is 36908232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23280963 - 210 = 23279939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23280967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3880158 + ... + 3880163.

It is an arithmetic number, because the mean of its divisors is an integer number (7760322).

Almost surely, 223280963 is an apocalyptic number.

23280963 is a deficient number, since it is larger than the sum of its proper divisors (7760325).

23280963 is an equidigital number, since it uses as much as digits as its factorization.

23280963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7760324.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 23280963 is about 4825.0350257796. The cubic root of 23280963 is about 285.5400164536.

The spelling of 23280963 in words is "twenty-three million, two hundred eighty thousand, nine hundred sixty-three".

Divisors: 1 3 7760321 23280963