Search a number
-
+
465415420 = 225127718223
BaseRepresentation
bin11011101111011…
…010110011111100
31012102202112221011
4123233122303330
51423121243140
6114103245004
714350652161
oct3357326374
91172675834
10465415420
11219795548
1210ba49764
1375566452
1445b52068
152acd5cea
hex1bbdacfc

465415420 has 24 divisors (see below), whose sum is σ = 978191424. Its totient is φ = 186010176.

The previous prime is 465415417. The next prime is 465415427. The reversal of 465415420 is 24514564.

It is a happy number.

It is a super-2 number, since 2×4654154202 = 433223026347552800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465415427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16429 + ... + 34651.

It is an arithmetic number, because the mean of its divisors is an integer number (40757976).

Almost surely, 2465415420 is an apocalyptic number.

It is an amenable number.

465415420 is an abundant number, since it is smaller than the sum of its proper divisors (512776004).

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

465415420 is a wasteful number, since it uses less digits than its factorization.

465415420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19509 (or 19507 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 465415420 is about 21573.4888230903. The cubic root of 465415420 is about 774.9617296399.

Adding to 465415420 its reverse (24514564), we get a palindrome (489929984).

The spelling of 465415420 in words is "four hundred sixty-five million, four hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1277 2554 5108 6385 12770 18223 25540 36446 72892 91115 182230 364460 23270771 46541542 93083084 116353855 232707710 465415420