Search a number
-
+
23301012 = 2237436451
BaseRepresentation
bin101100011100…
…0101110010100
31121211210222110
41120320232110
521431113022
62151231020
7402024660
oct130705624
947753873
1023301012
1112175439
127978470
134a9aaa7
1431478a0
1520a400c
hex1638b94

23301012 has 48 divisors (see below), whose sum is σ = 63590912. Its totient is φ = 6501600.

The previous prime is 23300983. The next prime is 23301023. The reversal of 23301012 is 21010332.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387 + ... + 6837.

Almost surely, 223301012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23301012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31795456).

23301012 is an abundant number, since it is smaller than the sum of its proper divisors (40289900).

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

23301012 is a wasteful number, since it uses less digits than its factorization.

23301012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6508 (or 6506 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23301012 is about 4827.1121801756. The cubic root of 23301012 is about 285.6219596450.

Adding to 23301012 its reverse (21010332), we get a palindrome (44311344).

The spelling of 23301012 in words is "twenty-three million, three hundred one thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 516 602 903 1204 1806 3612 6451 12902 19353 25804 38706 45157 77412 90314 135471 180628 270942 277393 541884 554786 832179 1109572 1664358 1941751 3328716 3883502 5825253 7767004 11650506 23301012