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402798 = 231117359
BaseRepresentation
bin1100010010101101110
3202110112110
41202111232
5100342143
612344450
73265224
oct1422556
9673473
10402798
112556a0
12175126
13111456
14a6b14
157e533
hex6256e

402798 has 32 divisors (see below), whose sum is σ = 933120. Its totient is φ = 114560.

The previous prime is 402797. The next prime is 402803. The reversal of 402798 is 897204.

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 402798.

It is not an unprimeable number, because it can be changed into a prime (402797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943 + ... + 1301.

It is an arithmetic number, because the mean of its divisors is an integer number (29160).

2402798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466560).

402798 is an abundant number, since it is smaller than the sum of its proper divisors (530322).

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

402798 is a wasteful number, since it uses less digits than its factorization.

402798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 402798 is about 634.6636904692. The cubic root of 402798 is about 73.8520296139.

The spelling of 402798 in words is "four hundred two thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 359 374 561 718 1077 1122 2154 3949 6103 7898 11847 12206 18309 23694 36618 67133 134266 201399 402798