Search a number
-
+
319680000 = 29335437
BaseRepresentation
bin10011000011011…
…110111000000000
3211021112102112000
4103003132320000
51123314230000
651415504000
710631143443
oct2303367000
9737472460
10319680000
111544a6352
128b088000
13512cb683
143065765a
151d0ea000
hex130dee00

319680000 has 400 divisors, whose sum is σ = 1214423760. Its totient is φ = 82944000.

The previous prime is 319679999. The next prime is 319680043. The reversal of 319680000 is 86913.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8639982 + ... + 8640018.

Almost surely, 2319680000 is an apocalyptic number.

319680000 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 319680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607211880).

319680000 is an abundant number, since it is smaller than the sum of its proper divisors (894743760).

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

319680000 is an frugal number, since it uses more digits than its factorization.

319680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 319680000 is about 17879.5973109016. The cubic root of 319680000 is about 683.7623058366.

The spelling of 319680000 in words is "three hundred nineteen million, six hundred eighty thousand".