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23744345 = 57365053
BaseRepresentation
bin101101010010…
…0111101011001
31122200100010012
41122210331121
522034304340
62204531305
7405552332
oct132447531
948610105
1023744345
1112448529
127b50b35
134bc4811
143221289
152140565
hex16a4f59

23744345 has 8 divisors (see below), whose sum is σ = 28883976. Its totient is φ = 18734976.

The previous prime is 23744333. The next prime is 23744363. The reversal of 23744345 is 54344732.

It can be written as a sum of positive squares in 4 ways, for example, as 85849 + 23658496 = 293^2 + 4864^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23744345 - 218 = 23482201 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 7 ways as a sum of consecutive naturals, for example, 32162 + ... + 32891.

It is an arithmetic number, because the mean of its divisors is an integer number (3610497).

Almost surely, 223744345 is an apocalyptic number.

It is an amenable number.

23744345 is a deficient number, since it is larger than the sum of its proper divisors (5139631).

23744345 is an equidigital number, since it uses as much as digits as its factorization.

23744345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65131.

The product of its digits is 40320, while the sum is 32.

The square root of 23744345 is about 4872.8169471056. The cubic root of 23744345 is about 287.4220380921.

The spelling of 23744345 in words is "twenty-three million, seven hundred forty-four thousand, three hundred forty-five".

Divisors: 1 5 73 365 65053 325265 4748869 23744345