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6280142 = 211225951
BaseRepresentation
bin10111111101001111001110
3102211001201212
4113331033032
53101431032
6342334422
7104244311
oct27751716
912731655
106280142
1135aa400
12212a412
1313bb67b
14b96978
15840bb2
hex5fd3ce

6280142 has 12 divisors (see below), whose sum is σ = 10354848. Its totient is φ = 2854500.

The previous prime is 6280139. The next prime is 6280147. The reversal of 6280142 is 2410826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6280147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12734 + ... + 13217.

It is an arithmetic number, because the mean of its divisors is an integer number (862904).

Almost surely, 26280142 is an apocalyptic number.

6280142 is a deficient number, since it is larger than the sum of its proper divisors (4074706).

6280142 is a wasteful number, since it uses less digits than its factorization.

6280142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25975 (or 25964 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 6280142 is about 2506.0211491526. The cubic root of 6280142 is about 184.4972177125.

Adding to 6280142 its reverse (2410826), we get a palindrome (8690968).

The spelling of 6280142 in words is "six million, two hundred eighty thousand, one hundred forty-two".

Divisors: 1 2 11 22 121 242 25951 51902 285461 570922 3140071 6280142