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23242193 = 131787861
BaseRepresentation
bin101100010101…
…0010111010001
31121201211021222
41120222113101
521422222233
62150054425
7401361332
oct130522721
947654258
1023242193
1112135227
12794a415
134a7a0a0
143130289
152091898
hex162a5d1

23242193 has 4 divisors (see below), whose sum is σ = 25030068. Its totient is φ = 21454320.

The previous prime is 23242189. The next prime is 23242199. The reversal of 23242193 is 39124232.

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 6210064 + 17032129 = 2492^2 + 4127^2 .

It is a cyclic number.

It is not a de Polignac number, because 23242193 - 22 = 23242189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23242199) 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, 893918 + ... + 893943.

It is an arithmetic number, because the mean of its divisors is an integer number (6257517).

Almost surely, 223242193 is an apocalyptic number.

It is an amenable number.

23242193 is a deficient number, since it is larger than the sum of its proper divisors (1787875).

23242193 is a wasteful number, since it uses less digits than its factorization.

23242193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787874.

The product of its digits is 2592, while the sum is 26.

The square root of 23242193 is about 4821.0157643385. The cubic root of 23242193 is about 285.3814242548.

The spelling of 23242193 in words is "twenty-three million, two hundred forty-two thousand, one hundred ninety-three".

Divisors: 1 13 1787861 23242193