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6229920 = 253512979
BaseRepresentation
bin10111110000111110100000
3102201111211210
4113300332200
53043324140
6341310120
7103645014
oct27607640
912644753
106229920
1135756a4
122105340
1313a1858
14b82544
15830d80
hex5f0fa0

6229920 has 48 divisors (see below), whose sum is σ = 19625760. Its totient is φ = 1661184.

The previous prime is 6229913. The next prime is 6229921. The reversal of 6229920 is 299226.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (6229921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6010 + ... + 6969.

It is an arithmetic number, because the mean of its divisors is an integer number (408870).

Almost surely, 26229920 is an apocalyptic number.

6229920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6229920 is an abundant number, since it is smaller than the sum of its proper divisors (13395840).

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

6229920 is a wasteful number, since it uses less digits than its factorization.

6229920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12997 (or 12989 counting only the distinct ones).

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

The square root of 6229920 is about 2495.9807691567. The cubic root of 6229920 is about 184.0040956870.

The spelling of 6229920 in words is "six million, two hundred twenty-nine thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 12979 25958 38937 51916 64895 77874 103832 129790 155748 194685 207664 259580 311496 389370 415328 519160 622992 778740 1038320 1245984 1557480 2076640 3114960 6229920