Search a number
-
+
423022652 = 221329319049
BaseRepresentation
bin11001001101101…
…101000000111100
31002110222202222122
4121031231000330
51331243211102
6105550502112
713324430123
oct3115550074
91073882878
10423022652
111a78701a8
12b9804938
1369842780
1440278aba
15272100a2
hex1936d03c

423022652 has 48 divisors (see below), whose sum is σ = 851424000. Its totient is φ = 182407680.

The previous prime is 423022651. The next prime is 423022667. The reversal of 423022652 is 256220324.

It is a super-2 number, since 2×4230226522 = 357896328210226208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423022651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42224 + ... + 51272.

It is an arithmetic number, because the mean of its divisors is an integer number (17738000).

Almost surely, 2423022652 is an apocalyptic number.

It is an amenable number.

423022652 is an abundant number, since it is smaller than the sum of its proper divisors (428401348).

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

423022652 is a wasteful number, since it uses less digits than its factorization.

423022652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126 (or 9124 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 423022652 is about 20567.5144827954. The cubic root of 423022652 is about 750.6794743077.

Adding to 423022652 its reverse (256220324), we get a palindrome (679242976).

The spelling of 423022652 in words is "four hundred twenty-three million, twenty-two thousand, six hundred fifty-two".

Divisors: 1 2 4 13 26 29 31 52 58 62 116 124 377 403 754 806 899 1508 1612 1798 3596 9049 11687 18098 23374 36196 46748 117637 235274 262421 280519 470548 524842 561038 1049684 1122076 3411473 3646747 6822946 7293494 8135051 13645892 14586988 16270102 32540204 105755663 211511326 423022652