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6142661 = 717411259
BaseRepresentation
bin10111011011101011000101
3102120002010222
4113123223011
53033031121
6335354125
7103132430
oct27335305
912502128
106142661
113516088
122082945
131370c15
14b5c817
158150ab
hex5dbac5

6142661 has 16 divisors (see below), whose sum is σ = 7620480. Its totient is φ = 4830720.

The previous prime is 6142651. The next prime is 6142663. The reversal of 6142661 is 1662416.

It is a happy number.

It is not a de Polignac number, because 6142661 - 214 = 6126277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6142661.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4250 + ... + 5508.

It is an arithmetic number, because the mean of its divisors is an integer number (476280).

Almost surely, 26142661 is an apocalyptic number.

It is an amenable number.

6142661 is a deficient number, since it is larger than the sum of its proper divisors (1477819).

6142661 is a wasteful number, since it uses less digits than its factorization.

6142661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324.

The product of its digits is 1728, while the sum is 26.

The square root of 6142661 is about 2478.4392266102. The cubic root of 6142661 is about 183.1409725261.

The spelling of 6142661 in words is "six million, one hundred forty-two thousand, six hundred sixty-one".

Divisors: 1 7 17 41 119 287 697 1259 4879 8813 21403 51619 149821 361333 877523 6142661