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1428310 = 251310987
BaseRepresentation
bin101011100101101010110
32200120021101
411130231112
5331201220
650340314
715066112
oct5345526
92616241
101428310
11896124
1258a69a
133b0170
14292742
151d330a
hex15cb56

1428310 has 16 divisors (see below), whose sum is σ = 2768976. Its totient is φ = 527328.

The previous prime is 1428281. The next prime is 1428359. The reversal of 1428310 is 138241.

It is a super-2 number, since 2×14283102 = 4080138912200, which contains 22 as substring.

It is a congruent number.

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, 5364 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (173061).

21428310 is an apocalyptic number.

1428310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428310 is a deficient number, since it is larger than the sum of its proper divisors (1340666).

1428310 is a wasteful number, since it uses less digits than its factorization.

1428310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11007.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1428310 is about 1195.1192409128. The cubic root of 1428310 is about 112.6179175132.

The spelling of 1428310 in words is "one million, four hundred twenty-eight thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 10987 21974 54935 109870 142831 285662 714155 1428310