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23152201 is a prime number
BaseRepresentation
bin101100001010…
…0011001001001
31121120020211221
41120110121021
521411332301
62144122041
7400535062
oct130243111
947506757
1023152201
1112083656
127906321
134a48137
143109569
152074da1
hex1614649

23152201 has 2 divisors, whose sum is σ = 23152202. Its totient is φ = 23152200.

The previous prime is 23152183. The next prime is 23152219. The reversal of 23152201 is 10225132.

It is a balanced prime because it is at equal distance from previous prime (23152183) and next prime (23152219).

It can be written as a sum of positive squares in only one way, i.e., 16801801 + 6350400 = 4099^2 + 2520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23152201 is a prime.

It is a super-2 number, since 2×231522012 = 1072048822288802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23152271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576100 + 11576101.

It is an arithmetic number, because the mean of its divisors is an integer number (11576101).

Almost surely, 223152201 is an apocalyptic number.

It is an amenable number.

23152201 is a deficient number, since it is larger than the sum of its proper divisors (1).

23152201 is an equidigital number, since it uses as much as digits as its factorization.

23152201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 23152201 is about 4811.6734095323. The cubic root of 23152201 is about 285.0126228122.

Adding to 23152201 its reverse (10225132), we get a palindrome (33377333).

The spelling of 23152201 in words is "twenty-three million, one hundred fifty-two thousand, two hundred one".