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6142720 = 2854799
BaseRepresentation
bin10111011011101100000000
3102120002020011
4113123230000
53033031340
6335354304
7103132543
oct27335400
912502204
106142720
113516131
122082994
131370c5c
14b5c85a
158150ea
hex5dbb00

6142720 has 36 divisors (see below), whose sum is σ = 14716800. Its totient is φ = 2456576.

The previous prime is 6142687. The next prime is 6142727. The reversal of 6142720 is 272416.

It is a junction number, because it is equal to n+sod(n) for n = 6142691 and 6142700.

It is not an unprimeable number, because it can be changed into a prime (6142727) 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 3 ways as a sum of consecutive naturals, for example, 1120 + ... + 3679.

It is an arithmetic number, because the mean of its divisors is an integer number (408800).

Almost surely, 26142720 is an apocalyptic number.

It is an amenable number.

6142720 is an abundant number, since it is smaller than the sum of its proper divisors (8574080).

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

6142720 is an equidigital number, since it uses as much as digits as its factorization.

6142720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4820 (or 4806 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 6142720 is about 2478.4511292337. The cubic root of 6142720 is about 183.1415588780.

The spelling of 6142720 in words is "six million, one hundred forty-two thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 4799 9598 19196 23995 38392 47990 76784 95980 153568 191960 307136 383920 614272 767840 1228544 1535680 3071360 6142720