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6331980 = 2235105533
BaseRepresentation
bin11000001001111001001100
3102220200211210
4120021321030
53110110410
6343414420
7104551404
oct30117114
912820753
106331980
113635346
122154410
131409145
14bab804
15851220
hex609e4c

6331980 has 24 divisors (see below), whose sum is σ = 17729712. Its totient is φ = 1688512.

The previous prime is 6331979. The next prime is 6332009. The reversal of 6331980 is 891336.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52707 + ... + 52826.

It is an arithmetic number, because the mean of its divisors is an integer number (738738).

Almost surely, 26331980 is an apocalyptic number.

6331980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6331980 is an abundant number, since it is smaller than the sum of its proper divisors (11397732).

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

6331980 is a wasteful number, since it uses less digits than its factorization.

6331980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105545 (or 105543 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6331980 is about 2516.3425839897. The cubic root of 6331980 is about 185.0034574469.

The spelling of 6331980 in words is "six million, three hundred thirty-one thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 105533 211066 316599 422132 527665 633198 1055330 1266396 1582995 2110660 3165990 6331980