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316150420 = 22515807521
BaseRepresentation
bin10010110110000…
…001001010010100
3211000220002211211
4102312001022110
51121413303140
651212111204
710556143225
oct2266011224
9730802754
10316150420
11152505543
1289a65504
1350663c71
142ddb924c
151cb4e2ea
hex12d81294

316150420 has 12 divisors (see below), whose sum is σ = 663915924. Its totient is φ = 126460160.

The previous prime is 316150409. The next prime is 316150427. The reversal of 316150420 is 24051613.

316150420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 91929744 + 224220676 = 9588^2 + 14974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 316150391 and 316150400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316150427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7903741 + ... + 7903780.

It is an arithmetic number, because the mean of its divisors is an integer number (55326327).

Almost surely, 2316150420 is an apocalyptic number.

It is an amenable number.

316150420 is an abundant number, since it is smaller than the sum of its proper divisors (347765504).

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

316150420 is a wasteful number, since it uses less digits than its factorization.

316150420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15807530 (or 15807528 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 316150420 is about 17780.6192243127. The cubic root of 316150420 is about 681.2365188814.

The spelling of 316150420 in words is "three hundred sixteen million, one hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 15807521 31615042 63230084 79037605 158075210 316150420