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23422985 = 54684597
BaseRepresentation
bin101100101011…
…0100000001001
31122002000021222
41121112200021
521444013420
62154011425
7403043405
oct131264011
948060258
1023422985
1112249043
127a16b75
134b11471
14317a105
1520ca225
hex1656809

23422985 has 4 divisors (see below), whose sum is σ = 28107588. Its totient is φ = 18738384.

The previous prime is 23422951. The next prime is 23423047. The reversal of 23422985 is 58922432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11235904 + 12187081 = 3352^2 + 3491^2 .

It is a cyclic number.

It is not a de Polignac number, because 23422985 - 210 = 23421961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342294 + ... + 2342303.

It is an arithmetic number, because the mean of its divisors is an integer number (7026897).

Almost surely, 223422985 is an apocalyptic number.

It is an amenable number.

23422985 is a deficient number, since it is larger than the sum of its proper divisors (4684603).

23422985 is an equidigital number, since it uses as much as digits as its factorization.

23422985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684602.

The product of its digits is 34560, while the sum is 35.

The square root of 23422985 is about 4839.7298478324. The cubic root of 23422985 is about 286.1194710083.

The spelling of 23422985 in words is "twenty-three million, four hundred twenty-two thousand, nine hundred eighty-five".

Divisors: 1 5 4684597 23422985