Search a number
-
+
3976000840 = 235714200003
BaseRepresentation
bin1110110011111100…
…1111010101001000
3101021002112202210101
43230333033111020
531120324011330
61454311255144
7200346310120
oct35477172510
911232482711
103976000840
111760392309
1292b67a4b4
134b496ac26
1429a0a7c80
151840d44ca
hexecfcf548

3976000840 has 32 divisors (see below), whose sum is σ = 10224002880. Its totient is φ = 1363200192.

The previous prime is 3976000829. The next prime is 3976000841. The reversal of 3976000840 is 480006793.

It is a self number, because there is not a number n which added to its sum of digits gives 3976000840.

It is not an unprimeable number, because it can be changed into a prime (3976000841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7099722 + ... + 7100281.

It is an arithmetic number, because the mean of its divisors is an integer number (319500090).

Almost surely, 23976000840 is an apocalyptic number.

It is an amenable number.

3976000840 is an abundant number, since it is smaller than the sum of its proper divisors (6248002040).

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

3976000840 is a wasteful number, since it uses less digits than its factorization.

3976000840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14200021 (or 14200017 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3976000840 is about 63055.5377425330. The cubic root of 3976000840 is about 1584.2199905744.

The spelling of 3976000840 in words is "three billion, nine hundred seventy-six million, eight hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 14200003 28400006 56800012 71000015 99400021 113600024 142000030 198800042 284000060 397600084 497000105 568000120 795200168 994000210 1988000420 3976000840