Search a number
-
+
949385980 = 22567708497
BaseRepresentation
bin111000100101100…
…111101011111100
32110011102210201201
4320211213223330
53421020322410
6234112345244
732345435104
oct7045475374
92404383651
10949385980
114479a3814
12225b45224
131218c846a
1490134204
155853483a
hex38967afc

949385980 has 24 divisors (see below), whose sum is σ = 2023470288. Its totient is φ = 374085888.

The previous prime is 949385929. The next prime is 949385981. The reversal of 949385980 is 89583949.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949385981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352909 + ... + 355588.

It is an arithmetic number, because the mean of its divisors is an integer number (84311262).

Almost surely, 2949385980 is an apocalyptic number.

It is an amenable number.

949385980 is an abundant number, since it is smaller than the sum of its proper divisors (1074084308).

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

949385980 is a wasteful number, since it uses less digits than its factorization.

949385980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708573 (or 708571 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 949385980 is about 30812.1076851292. The cubic root of 949385980 is about 982.8357335574.

The spelling of 949385980 in words is "nine hundred forty-nine million, three hundred eighty-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 708497 1416994 2833988 3542485 7084970 14169940 47469299 94938598 189877196 237346495 474692990 949385980