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23245641 = 325348733
BaseRepresentation
bin101100010101…
…1001101001001
31121202000000200
41120223031021
521422330031
62150122413
7401404356
oct130531511
947660020
1023245641
1112137881
127950409
134a7b823
14313162d
1520928e6
hex162b349

23245641 has 12 divisors (see below), whose sum is σ = 34211268. Its totient is φ = 15204384.

The previous prime is 23245631. The next prime is 23245661. The reversal of 23245641 is 14654232.

It can be written as a sum of positive squares in 2 ways, for example, as 17015625 + 6230016 = 4125^2 + 2496^2 .

It is not a de Polignac number, because 23245641 - 29 = 23245129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23245601) 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, 23890 + ... + 24843.

It is an arithmetic number, because the mean of its divisors is an integer number (2850939).

Almost surely, 223245641 is an apocalyptic number.

It is an amenable number.

23245641 is a deficient number, since it is larger than the sum of its proper divisors (10965627).

23245641 is a wasteful number, since it uses less digits than its factorization.

23245641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48792 (or 48789 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 23245641 is about 4821.3733520647. The cubic root of 23245641 is about 285.3955357530.

Adding to 23245641 its reverse (14654232), we get a palindrome (37899873).

The spelling of 23245641 in words is "twenty-three million, two hundred forty-five thousand, six hundred forty-one".

Divisors: 1 3 9 53 159 477 48733 146199 438597 2582849 7748547 23245641