Search a number
-
+
23112534 = 236163149
BaseRepresentation
bin101100000101…
…0101101010110
31121111020102210
41120022231112
521404100114
62143214250
7400311324
oct130125526
947436383
1023112534
1112056875
1278a7386
134a33073
1430d8d14
152068259
hex160ab56

23112534 has 16 divisors (see below), whose sum is σ = 46983600. Its totient is φ = 7577760.

The previous prime is 23112527. The next prime is 23112547. The reversal of 23112534 is 43521132.

It is a self number, because there is not a number n which added to its sum of digits gives 23112534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31209 + ... + 31940.

It is an arithmetic number, because the mean of its divisors is an integer number (2936475).

Almost surely, 223112534 is an apocalyptic number.

23112534 is an abundant number, since it is smaller than the sum of its proper divisors (23871066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23112534 is a wasteful number, since it uses less digits than its factorization.

23112534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63215.

The product of its digits is 720, while the sum is 21.

The square root of 23112534 is about 4807.5496877307. The cubic root of 23112534 is about 284.8497576842.

Adding to 23112534 its reverse (43521132), we get a palindrome (66633666).

The spelling of 23112534 in words is "twenty-three million, one hundred twelve thousand, five hundred thirty-four".

Divisors: 1 2 3 6 61 122 183 366 63149 126298 189447 378894 3852089 7704178 11556267 23112534