Search a number
-
+
422400412 = 22715085729
BaseRepresentation
bin11001001011010…
…101000110011100
31002102211011102201
4121023111012130
51331113303122
6105525301244
713316226040
oct3113250634
91072734381
10422400412
111a7485755
12b9564824
1369685495
1440156020
152713aa27
hex192d519c

422400412 has 12 divisors (see below), whose sum is σ = 844800880. Its totient is φ = 181028736.

The previous prime is 422400403. The next prime is 422400413. The reversal of 422400412 is 214004224.

422400412 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 422400412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422400413) 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, 7542837 + ... + 7542892.

Almost surely, 2422400412 is an apocalyptic number.

It is an amenable number.

422400412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

422400412 is a wasteful number, since it uses less digits than its factorization.

422400412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085740 (or 15085738 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 422400412 is about 20552.3821490357. The cubic root of 422400412 is about 750.3112260925.

Adding to 422400412 its reverse (214004224), we get a palindrome (636404636).

The spelling of 422400412 in words is "four hundred twenty-two million, four hundred thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 15085729 30171458 60342916 105600103 211200206 422400412