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23270717 is a prime number
BaseRepresentation
bin101100011000…
…1010100111101
31121210021102102
41120301110331
521424130332
62150434445
7401540441
oct130612475
947707372
1023270717
11121546a8
127962a25
134a8a072
14313a821
15209a062
hex163153d

23270717 has 2 divisors, whose sum is σ = 23270718. Its totient is φ = 23270716.

The previous prime is 23270699. The next prime is 23270729. The reversal of 23270717 is 71707232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13623481 + 9647236 = 3691^2 + 3106^2 .

It is a cyclic number.

It is not a de Polignac number, because 23270717 - 216 = 23205181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23270717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23270777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11635358 + 11635359.

It is an arithmetic number, because the mean of its divisors is an integer number (11635359).

Almost surely, 223270717 is an apocalyptic number.

It is an amenable number.

23270717 is a deficient number, since it is larger than the sum of its proper divisors (1).

23270717 is an equidigital number, since it uses as much as digits as its factorization.

23270717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 23270717 is about 4823.9731549833. The cubic root of 23270717 is about 285.4981213895.

Adding to 23270717 its reverse (71707232), we get a palindrome (94977949).

The spelling of 23270717 in words is "twenty-three million, two hundred seventy thousand, seven hundred seventeen".