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6287428 = 227431521
BaseRepresentation
bin10111111111000001000100
3102211102201201
4113333001010
53102144203
6342432244
7104304460
oct27770104
912742651
106287428
113604924
122132684
1313c1a94
14b994a0
15842e1d
hex5ff044

6287428 has 24 divisors (see below), whose sum is σ = 12628224. Its totient is φ = 2683200.

The previous prime is 6287419. The next prime is 6287431. The reversal of 6287428 is 8247826.

6287428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11808 + ... + 12328.

It is an arithmetic number, because the mean of its divisors is an integer number (526176).

Almost surely, 26287428 is an apocalyptic number.

It is an amenable number.

6287428 is an abundant number, since it is smaller than the sum of its proper divisors (6340796).

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

6287428 is a wasteful number, since it uses less digits than its factorization.

6287428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 961 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 6287428 is about 2507.4744265894. The cubic root of 6287428 is about 184.5685392004.

The spelling of 6287428 in words is "six million, two hundred eighty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 431 521 862 1042 1724 2084 3017 3647 6034 7294 12068 14588 224551 449102 898204 1571857 3143714 6287428