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23002313 = 187312281
BaseRepresentation
bin101011110111…
…1110011001001
31121021122020112
41113233303021
521342033223
62141004105
7366342065
oct127576311
947248215
1023002313
1111a90a84
127853635
1349c4b49
1430aaaa5
152045778
hex15efcc9

23002313 has 4 divisors (see below), whose sum is σ = 23016468. Its totient is φ = 22988160.

The previous prime is 23002267. The next prime is 23002327. The reversal of 23002313 is 31320032.

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 9223369 + 13778944 = 3037^2 + 3712^2 .

It is a cyclic number.

It is not a de Polignac number, because 23002313 - 224 = 6225097 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 (23002333) 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, 4268 + ... + 8013.

It is an arithmetic number, because the mean of its divisors is an integer number (5754117).

Almost surely, 223002313 is an apocalyptic number.

It is an amenable number.

23002313 is a deficient number, since it is larger than the sum of its proper divisors (14155).

23002313 is a wasteful number, since it uses less digits than its factorization.

23002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14154.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 23002313 is about 4796.0726641701. The cubic root of 23002313 is about 284.3962308023.

Adding to 23002313 its reverse (31320032), we get a palindrome (54322345).

The spelling of 23002313 in words is "twenty-three million, two thousand, three hundred thirteen".

Divisors: 1 1873 12281 23002313