Search a number
-
+
320251055 = 5183134981
BaseRepresentation
bin10011000101101…
…010010010101111
3211022121102212012
4103011222102233
51123441013210
651440031435
710636042355
oct2305522257
9738542765
10320251055
111548563a3
128b30257b
135146b587
14307657d5
151d1ae305
hex1316a4af

320251055 has 8 divisors (see below), whose sum is σ = 384522144. Its totient is φ = 256053600.

The previous prime is 320251033. The next prime is 320251067. The reversal of 320251055 is 550152023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320251055 - 26 = 320250991 is a prime.

It is a super-2 number, since 2×3202510552 = 205121476457226050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320251055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8336 + ... + 26645.

It is an arithmetic number, because the mean of its divisors is an integer number (48065268).

Almost surely, 2320251055 is an apocalyptic number.

320251055 is a deficient number, since it is larger than the sum of its proper divisors (64271089).

320251055 is a wasteful number, since it uses less digits than its factorization.

320251055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36817.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 320251055 is about 17895.5596447834. The cubic root of 320251055 is about 684.1692060840.

The spelling of 320251055 in words is "three hundred twenty million, two hundred fifty-one thousand, fifty-five".

Divisors: 1 5 1831 9155 34981 174905 64050211 320251055