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23243542 = 272237179
BaseRepresentation
bin101100010101…
…0101100010110
31121201220010221
41120222230112
521422243132
62150104554
7401365300
oct130525426
947656127
1023243542
1112136243
12794b15a
134a7a89a
143130970
152091e97
hex162ab16

23243542 has 12 divisors (see below), whose sum is σ = 40557780. Its totient is φ = 9961476.

The previous prime is 23243497. The next prime is 23243543. The reversal of 23243542 is 24534232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23243543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118492 + ... + 118687.

It is an arithmetic number, because the mean of its divisors is an integer number (3379815).

Almost surely, 223243542 is an apocalyptic number.

23243542 is a deficient number, since it is larger than the sum of its proper divisors (17314238).

23243542 is a wasteful number, since it uses less digits than its factorization.

23243542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237195 (or 237188 counting only the distinct ones).

The product of its digits is 5760, while the sum is 25.

The square root of 23243542 is about 4821.1556705836. The cubic root of 23243542 is about 285.3869454219.

Adding to 23243542 its reverse (24534232), we get a palindrome (47777774).

The spelling of 23243542 in words is "twenty-three million, two hundred forty-three thousand, five hundred forty-two".

Divisors: 1 2 7 14 49 98 237179 474358 1660253 3320506 11621771 23243542