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23252541 = 313245863
BaseRepresentation
bin101100010110…
…0111000111101
31121202100111020
41120230320331
521423040131
62150214353
7401433444
oct130547075
947670436
1023252541
1112141a84
1279543b9
134a81a00
143133d5b
152094996
hex162ce3d

23252541 has 12 divisors (see below), whose sum is σ = 33572448. Its totient is φ = 14308944.

The previous prime is 23252521. The next prime is 23252543. The reversal of 23252541 is 14525232.

It is not a de Polignac number, because 23252541 - 26 = 23252477 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23252543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22425 + ... + 23438.

It is an arithmetic number, because the mean of its divisors is an integer number (2797704).

Almost surely, 223252541 is an apocalyptic number.

It is an amenable number.

23252541 is a deficient number, since it is larger than the sum of its proper divisors (10319907).

23252541 is a wasteful number, since it uses less digits than its factorization.

23252541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45892 (or 45879 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 23252541 is about 4822.0888627233. The cubic root of 23252541 is about 285.4237709304.

Adding to 23252541 its reverse (14525232), we get a palindrome (37777773).

The spelling of 23252541 in words is "twenty-three million, two hundred fifty-two thousand, five hundred forty-one".

Divisors: 1 3 13 39 169 507 45863 137589 596219 1788657 7750847 23252541