Search a number
4272391922 = 2462192
BaseRepresentation
bin1111111010100111…
…1000011011110010
3102000202020222220212
43332221320123302
532222213020142
61543540104122
7210605506061
oct37651703362
912022228825
104272391922
1118a2721317
129b2995042
135311a4176
142c75bc1d8
151a012dd82
hexfea786f2

4272391922 has 6 divisors (see below), whose sum is σ = 6408726543. Its totient is φ = 2136149742.

The previous prime is 4272391891. The next prime is 4272391939. The reversal of 4272391922 is 2291932724.

It can be written as a sum of positive squares in only one way, i.e., 2136195961 + 2136195961 = 46219^2 + 46219^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=46219.

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 4272391922.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 69329 + ... + 115547.

Almost surely, 24272391922 is an apocalyptic number.

4272391922 is a deficient number, since it is larger than the sum of its proper divisors (2136334621).

4272391922 is an frugal number, since it uses more digits than its factorization.

4272391922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92440 (or 46221 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 4272391922 is about 65363.5366393221. The cubic root of 4272391922 is about 1622.6456695605.

The spelling of 4272391922 in words is "four billion, two hundred seventy-two million, three hundred ninety-one thousand, nine hundred twenty-two".

Divisors: 1 2 46219 92438 2136195961 4272391922