Search a number
-
+
23438112 = 253244147
BaseRepresentation
bin101100101101…
…0001100100000
31122002210001020
41121122030200
522000004422
62154205440
7403135455
oct131321440
948083036
1023438112
1112259445
127a23880
134b18309
14318182c
1520ce95c
hex165a320

23438112 has 24 divisors (see below), whose sum is σ = 61525296. Its totient is φ = 7812672.

The previous prime is 23438111. The next prime is 23438117. The reversal of 23438112 is 21183432.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (23438111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121978 + ... + 122169.

It is an arithmetic number, because the mean of its divisors is an integer number (2563554).

Almost surely, 223438112 is an apocalyptic number.

It is an amenable number.

23438112 is an abundant number, since it is smaller than the sum of its proper divisors (38087184).

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

23438112 is a wasteful number, since it uses less digits than its factorization.

23438112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244160 (or 244152 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 23438112 is about 4841.2923894349. The cubic root of 23438112 is about 286.1810515148.

The spelling of 23438112 in words is "twenty-three million, four hundred thirty-eight thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 244147 488294 732441 976588 1464882 1953176 2929764 3906352 5859528 7812704 11719056 23438112