Search a number
-
+
23235012 = 223471713
BaseRepresentation
bin101100010100…
…0100111000100
31121201110110000
41120220213010
521422010022
62150001300
7401331363
oct130504704
947643400
1023235012
111212a899
127946230
134a76a38
14312b7da
15208e6ac
hex16289c4

23235012 has 30 divisors (see below), whose sum is σ = 60741758. Its totient is φ = 7744896.

The previous prime is 23235011. The next prime is 23235013. The reversal of 23235012 is 21053232.

It is an interprime number because it is at equal distance from previous prime (23235011) and next prime (23235013).

It can be written as a sum of positive squares in only one way, i.e., 17589636 + 5645376 = 4194^2 + 2376^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23235011) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35533 + ... + 36180.

Almost surely, 223235012 is an apocalyptic number.

It is an amenable number.

23235012 is an abundant number, since it is smaller than the sum of its proper divisors (37506746).

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

23235012 is a wasteful number, since it uses less digits than its factorization.

23235012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71729 (or 71718 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23235012 is about 4820.2709467415. The cubic root of 23235012 is about 285.3520303690.

Adding to 23235012 its reverse (21053232), we get a palindrome (44288244).

The spelling of 23235012 in words is "twenty-three million, two hundred thirty-five thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 71713 143426 215139 286852 430278 645417 860556 1290834 1936251 2581668 3872502 5808753 7745004 11617506 23235012