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23275257 = 337209687
BaseRepresentation
bin101100011001…
…0011011111001
31121210111122120
41120302123321
521424302012
62150511453
7401556615
oct130623371
947714576
1023275257
1112158055
127965589
134a8c155
14313c345
15209b58c
hex16326f9

23275257 has 8 divisors (see below), whose sum is σ = 31872576. Its totient is φ = 15097392.

The previous prime is 23275229. The next prime is 23275267. The reversal of 23275257 is 75257232.

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

It is not a de Polignac number, because 23275257 - 27 = 23275129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23275207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104733 + ... + 104954.

It is an arithmetic number, because the mean of its divisors is an integer number (3984072).

Almost surely, 223275257 is an apocalyptic number.

It is an amenable number.

23275257 is a deficient number, since it is larger than the sum of its proper divisors (8597319).

23275257 is a wasteful number, since it uses less digits than its factorization.

23275257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209727.

The product of its digits is 29400, while the sum is 33.

The square root of 23275257 is about 4824.4436985004. The cubic root of 23275257 is about 285.5166865988.

It can be divided in two parts, 23275 and 257, that added together give a palindrome (23532).

The spelling of 23275257 in words is "twenty-three million, two hundred seventy-five thousand, two hundred fifty-seven".

Divisors: 1 3 37 111 209687 629061 7758419 23275257