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4239393954 = 237176912941
BaseRepresentation
bin1111110010110000…
…0000010010100010
3101221110011112012220
43330230000102202
532140241101304
61540400531510
7210025153065
oct37454002242
911843145186
104239393954
111886033474
129a3920b96
135273bc743
142c306c8dc
1519c2b1ad9
hexfcb004a2

4239393954 has 32 divisors (see below), whose sum is σ = 8610053760. Its totient is φ = 1391308800.

The previous prime is 4239393953. The next prime is 4239393959. The reversal of 4239393954 is 4593939324.

It is a happy number.

It is a super-2 number, since 2×42393939542 = 35944922194423508232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4239393897 and 4239393906.

It is not an unprimeable number, because it can be changed into a prime (4239393953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321124 + ... + 334064.

It is an arithmetic number, because the mean of its divisors is an integer number (269064180).

Almost surely, 24239393954 is an apocalyptic number.

4239393954 is an abundant number, since it is smaller than the sum of its proper divisors (4370659806).

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

4239393954 is a wasteful number, since it uses less digits than its factorization.

4239393954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13786.

The product of its digits is 3149280, while the sum is 51.

The square root of 4239393954 is about 65110.6285793648. The cubic root of 4239393954 is about 1618.4573479606.

The spelling of 4239393954 in words is "four billion, two hundred thirty-nine million, three hundred ninety-three thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 71 142 213 426 769 1538 2307 4614 12941 25882 38823 54599 77646 109198 163797 327594 918811 1837622 2756433 5512866 9951629 19903258 29854887 59709774 706565659 1413131318 2119696977 4239393954