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1428362 = 213137401
BaseRepresentation
bin101011100101110001010
32200120100022
411130232022
5331201422
650340442
715066215
oct5345612
92616308
101428362
11896171
1258a722
133b01b0
1429277c
151d3342
hex15cb8a

1428362 has 16 divisors (see below), whose sum is σ = 2329992. Its totient is φ = 652800.

The previous prime is 1428359. The next prime is 1428389. The reversal of 1428362 is 2638241.

It can be written as a sum of positive squares in 4 ways, for example, as 1371241 + 57121 = 1171^2 + 239^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3362 + ... + 3762.

21428362 is an apocalyptic number.

1428362 is a deficient number, since it is larger than the sum of its proper divisors (901630).

1428362 is a wasteful number, since it uses less digits than its factorization.

1428362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553.

The product of its digits is 2304, while the sum is 26.

The square root of 1428362 is about 1195.1409958662. The cubic root of 1428362 is about 112.6192841774.

The spelling of 1428362 in words is "one million, four hundred twenty-eight thousand, three hundred sixty-two".

Divisors: 1 2 13 26 137 274 401 802 1781 3562 5213 10426 54937 109874 714181 1428362