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6142660 = 2252811093
BaseRepresentation
bin10111011011101011000100
3102120002010221
4113123223010
53033031120
6335354124
7103132426
oct27335304
912502127
106142660
113516087
122082944
131370c14
14b5c816
158150aa
hex5dbac4

6142660 has 24 divisors (see below), whose sum is σ = 12957336. Its totient is φ = 2446080.

The previous prime is 6142651. The next prime is 6142663. The reversal of 6142660 is 662416.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2815684 + 3326976 = 1678^2 + 1824^2 .

It is not an unprimeable number, because it can be changed into a prime (6142663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5074 + ... + 6166.

It is an arithmetic number, because the mean of its divisors is an integer number (539889).

Almost surely, 26142660 is an apocalyptic number.

It is an amenable number.

6142660 is an abundant number, since it is smaller than the sum of its proper divisors (6814676).

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

6142660 is a wasteful number, since it uses less digits than its factorization.

6142660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6142660 is about 2478.4390248703. The cubic root of 6142660 is about 183.1409625879.

The spelling of 6142660 in words is "six million, one hundred forty-two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 281 562 1093 1124 1405 2186 2810 4372 5465 5620 10930 21860 307133 614266 1228532 1535665 3071330 6142660