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6369980 = 225734363
BaseRepresentation
bin11000010011001010111100
3102222121222012
4120103022330
53112314410
6344310352
7105100241
oct30231274
912877865
106369980
113660951
1221723b8
131420526
14bbb5c8
1585c605
hex6132bc

6369980 has 24 divisors (see below), whose sum is σ = 13563312. Its totient is φ = 2512512.

The previous prime is 6369971. The next prime is 6369983. The reversal of 6369980 is 899636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6369983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722 + ... + 3641.

It is an arithmetic number, because the mean of its divisors is an integer number (565138).

Almost surely, 26369980 is an apocalyptic number.

It is an amenable number.

6369980 is an abundant number, since it is smaller than the sum of its proper divisors (7193332).

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

6369980 is a wasteful number, since it uses less digits than its factorization.

6369980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4445 (or 4443 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 6369980 is about 2523.8819306774. The cubic root of 6369980 is about 185.3728055717.

The spelling of 6369980 in words is "six million, three hundred sixty-nine thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 4363 8726 17452 21815 43630 87260 318499 636998 1273996 1592495 3184990 6369980