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23480605 = 54696121
BaseRepresentation
bin101100110010…
…0100100011101
31122011221100001
41121210210131
522002334410
62155134301
7403403401
oct131444435
948157301
1023480605
1112288365
127a44391
134b31765
143193101
1520dc33a
hex166491d

23480605 has 4 divisors (see below), whose sum is σ = 28176732. Its totient is φ = 18784480.

The previous prime is 23480593. The next prime is 23480647. The reversal of 23480605 is 50608432.

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 17749369 + 5731236 = 4213^2 + 2394^2 .

It is not a de Polignac number, because 23480605 - 27 = 23480477 is a prime.

It is a super-2 number, since 2×234806052 = 1102677622332050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 2348056 + ... + 2348065.

It is an arithmetic number, because the mean of its divisors is an integer number (7044183).

Almost surely, 223480605 is an apocalyptic number.

It is an amenable number.

23480605 is a deficient number, since it is larger than the sum of its proper divisors (4696127).

23480605 is an equidigital number, since it uses as much as digits as its factorization.

23480605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696126.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 23480605 is about 4845.6790029881. The cubic root of 23480605 is about 286.3538946425.

The spelling of 23480605 in words is "twenty-three million, four hundred eighty thousand, six hundred five".

Divisors: 1 5 4696121 23480605