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23350457 = 131796189
BaseRepresentation
bin101100100010…
…0110010111001
31121221022210202
41121010302321
521434203312
62152251545
7402322064
oct131046271
947838722
1023350457
11121a95a9
1279a0bb5
134ab7450
14315b8db
1520b39c2
hex1644cb9

23350457 has 4 divisors (see below), whose sum is σ = 25146660. Its totient is φ = 21554256.

The previous prime is 23350447. The next prime is 23350463. The reversal of 23350457 is 75405332.

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 11316496 + 12033961 = 3364^2 + 3469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23350457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23350427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898082 + ... + 898107.

It is an arithmetic number, because the mean of its divisors is an integer number (6286665).

Almost surely, 223350457 is an apocalyptic number.

It is an amenable number.

23350457 is a deficient number, since it is larger than the sum of its proper divisors (1796203).

23350457 is a wasteful number, since it uses less digits than its factorization.

23350457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796202.

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 23350457 is about 4832.2310582173. The cubic root of 23350457 is about 285.8238478740.

Adding to 23350457 its reverse (75405332), we get a palindrome (98755789).

The spelling of 23350457 in words is "twenty-three million, three hundred fifty thousand, four hundred fifty-seven".

Divisors: 1 13 1796189 23350457