Search a number
-
+
320049894 = 23449118801
BaseRepresentation
bin10011000100111…
…001001011100110
3211022020012220210
4103010321023212
51123413044034
651431440250
710634244033
oct2304711346
9738205823
10320049894
1115472924a
128b226086
13513cab48
143071238a
151d16e8e9
hex131392e6

320049894 has 16 divisors (see below), whose sum is σ = 641530800. Its totient is φ = 106444800.

The previous prime is 320049839. The next prime is 320049907. The reversal of 320049894 is 498940023.

It is a super-2 number, since 2×3200498942 = 204863869298822472, which contains 22 as substring.

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, 56707 + ... + 62094.

It is an arithmetic number, because the mean of its divisors is an integer number (40095675).

Almost surely, 2320049894 is an apocalyptic number.

320049894 is an abundant number, since it is smaller than the sum of its proper divisors (321480906).

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

320049894 is a wasteful number, since it uses less digits than its factorization.

320049894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119255.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 320049894 is about 17889.9383453381. The cubic root of 320049894 is about 684.0259257982.

The spelling of 320049894 in words is "three hundred twenty million, forty-nine thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 449 898 1347 2694 118801 237602 356403 712806 53341649 106683298 160024947 320049894