Search a number
-
+
311463936 = 2123271771
BaseRepresentation
bin10010100100001…
…001000000000000
3210201002000012100
4102210021000000
51114213321221
650523430400
710501254060
oct2244110000
9721060170
10311463936
1114a8a4513
1288385400
134c6b2ab4
142d5193a0
151c525926
hex12909000

311463936 has 312 divisors, whose sum is σ = 1104015744. Its totient is φ = 82575360.

The previous prime is 311463923. The next prime is 311463989. The reversal of 311463936 is 639364113.

311463936 is a `hidden beast` number, since 3 + 1 + 14 + 639 + 3 + 6 = 666.

It is a super-2 number, since 2×3114639362 = 194019566857224192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 311463936.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4386781 + ... + 4386851.

It is an arithmetic number, because the mean of its divisors is an integer number (3538512).

Almost surely, 2311463936 is an apocalyptic number.

311463936 is a gapful number since it is divisible by the number (36) 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 311463936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552007872).

311463936 is an abundant number, since it is smaller than the sum of its proper divisors (792551808).

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

311463936 is a wasteful number, since it uses less digits than its factorization.

311463936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 100 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 311463936 is about 17648.3408851937. The cubic root of 311463936 is about 677.8536243905.

The spelling of 311463936 in words is "three hundred eleven million, four hundred sixty-three thousand, nine hundred thirty-six".