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6142830 = 235832467
BaseRepresentation
bin10111011011101101101110
3102120002101020
4113123231232
53033032310
6335355010
7103133061
oct27335556
912502336
106142830
113516221
122082a66
131371015
14b5c8d8
15815170
hex5dbb6e

6142830 has 32 divisors (see below), whose sum is σ = 14926464. Its totient is φ = 1617696.

The previous prime is 6142819. The next prime is 6142837. The reversal of 6142830 is 382416.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6142830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142837) 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, 1257 + ... + 3723.

It is an arithmetic number, because the mean of its divisors is an integer number (466452).

Almost surely, 26142830 is an apocalyptic number.

6142830 is an abundant number, since it is smaller than the sum of its proper divisors (8783634).

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

6142830 is a wasteful number, since it uses less digits than its factorization.

With its successor (6142831) it forms an eRAP, since the sums of their prime factors are consecutive (2560 and 2561).

6142830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6142830 is about 2478.4733204132. The cubic root of 6142830 is about 183.1426520665.

The spelling of 6142830 in words is "six million, one hundred forty-two thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 415 498 830 1245 2467 2490 4934 7401 12335 14802 24670 37005 74010 204761 409522 614283 1023805 1228566 2047610 3071415 6142830