Search a number
-
+
194324980 = 22560716007
BaseRepresentation
bin10111001010100…
…10100111110100
3111112122201202111
423211102213310
5344221344410
631141020404
74546510063
oct1345224764
9445581674
10194324980
119a767263
12550b4704
133134b1c5
141bb461da
15120d7b8a
hexb9529f4

194324980 has 24 divisors (see below), whose sum is σ = 408780288. Its totient is φ = 77597088.

The previous prime is 194324971. The next prime is 194324981. The reversal of 194324980 is 89423491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194324981) 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, 4137 + ... + 20143.

It is an arithmetic number, because the mean of its divisors is an integer number (17032512).

Almost surely, 2194324980 is an apocalyptic number.

194324980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194324980 is an abundant number, since it is smaller than the sum of its proper divisors (214455308).

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

194324980 is a wasteful number, since it uses less digits than its factorization.

194324980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623 (or 16621 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 194324980 is about 13940.0494977600. The cubic root of 194324980 is about 579.2191036720.

The spelling of 194324980 in words is "one hundred ninety-four million, three hundred twenty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 607 1214 2428 3035 6070 12140 16007 32014 64028 80035 160070 320140 9716249 19432498 38864996 48581245 97162490 194324980