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23113745 = 58951941
BaseRepresentation
bin101100000101…
…1000000010001
31121111022002122
41120023000101
521404114440
62143224025
7400315004
oct130130021
947438078
1023113745
1112057776
1278a8015
134a33795
1430d953b
1520687b5
hex160b011

23113745 has 8 divisors (see below), whose sum is σ = 28048680. Its totient is φ = 18282880.

The previous prime is 23113687. The next prime is 23113751. The reversal of 23113745 is 54731132.

It can be written as a sum of positive squares in 4 ways, for example, as 494209 + 22619536 = 703^2 + 4756^2 .

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

It is not a de Polignac number, because 23113745 - 212 = 23109649 is a prime.

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, 25526 + ... + 26415.

It is an arithmetic number, because the mean of its divisors is an integer number (3506085).

Almost surely, 223113745 is an apocalyptic number.

It is an amenable number.

23113745 is a deficient number, since it is larger than the sum of its proper divisors (4934935).

23113745 is an equidigital number, since it uses as much as digits as its factorization.

23113745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52035.

The product of its digits is 2520, while the sum is 26.

The square root of 23113745 is about 4807.6756338172. The cubic root of 23113745 is about 284.8547325754.

Adding to 23113745 its reverse (54731132), we get a palindrome (77844877).

The spelling of 23113745 in words is "twenty-three million, one hundred thirteen thousand, seven hundred forty-five".

Divisors: 1 5 89 445 51941 259705 4622749 23113745