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1298332 = 22789521
BaseRepresentation
bin100111100111110011100
32102221222101
410330332130
5313021312
643454444
714015140
oct4747634
92387871
101298332
11807502
12527424
13365c59
1425b220
151a9a57
hex13cf9c

1298332 has 24 divisors (see below), whose sum is σ = 2630880. Its totient is φ = 549120.

The previous prime is 1298329. The next prime is 1298333. The reversal of 1298332 is 2338921.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1298332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232 + ... + 2752.

It is an arithmetic number, because the mean of its divisors is an integer number (109620).

21298332 is an apocalyptic number.

It is an amenable number.

1298332 is an abundant number, since it is smaller than the sum of its proper divisors (1332548).

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

1298332 is a wasteful number, since it uses less digits than its factorization.

1298332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 619 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1298332 is about 1139.4437239285. The cubic root of 1298332 is about 109.0925902940.

The spelling of 1298332 in words is "one million, two hundred ninety-eight thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 89 178 356 521 623 1042 1246 2084 2492 3647 7294 14588 46369 92738 185476 324583 649166 1298332