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403398068 = 22227444271
BaseRepresentation
bin11000000010110…
…101110110110100
31001010001202010012
4120002311312310
51311232214233
6104010115352
712665553443
oct3002656664
91033052105
10403398068
11197786a37
12b311bb58
13657611a8
143b80ad5a
1525635548
hex180b5db4

403398068 has 12 divisors (see below), whose sum is σ = 709058112. Its totient is φ = 200810040.

The previous prime is 403398067. The next prime is 403398077. The reversal of 403398068 is 860893304.

It is a super-2 number, since 2×4033980682 = 325460002532265248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403398067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221228 + ... + 223043.

It is an arithmetic number, because the mean of its divisors is an integer number (59088176).

Almost surely, 2403398068 is an apocalyptic number.

It is an amenable number.

403398068 is a deficient number, since it is larger than the sum of its proper divisors (305660044).

403398068 is a wasteful number, since it uses less digits than its factorization.

403398068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444502 (or 444500 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 403398068 is about 20084.7720425202. The cubic root of 403398068 is about 738.8868508492.

The spelling of 403398068 in words is "four hundred three million, three hundred ninety-eight thousand, sixty-eight".

Divisors: 1 2 4 227 454 908 444271 888542 1777084 100849517 201699034 403398068