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316434720 = 25357412297
BaseRepresentation
bin10010110111000…
…110100100100000
3211001102112211110
4102313012210200
51122001402340
651222143320
710561436130
oct2267064440
9731375743
10316434720
1115268a0a8
1289b81b40
13507334a4
1430050ac0
151cba8680
hex12dc6920

316434720 has 192 divisors, whose sum is σ = 1167457536. Its totient is φ = 70533120.

The previous prime is 316434709. The next prime is 316434733. The reversal of 316434720 is 27434613.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136612 + ... + 138908.

It is an arithmetic number, because the mean of its divisors is an integer number (6080508).

Almost surely, 2316434720 is an apocalyptic number.

316434720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316434720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583728768).

316434720 is an abundant number, since it is smaller than the sum of its proper divisors (851022816).

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

316434720 is a wasteful number, since it uses less digits than its factorization.

316434720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2355 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 316434720 is about 17788.6120875126. The cubic root of 316434720 is about 681.4406595947.

It can be divided in two parts, 31643 and 4720, that added together give a palindrome (36363).

The spelling of 316434720 in words is "three hundred sixteen million, four hundred thirty-four thousand, seven hundred twenty".