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696428990 = 2569642899
BaseRepresentation
bin101001100000101…
…010100110111110
31210112110020222022
4221200222212332
52411241211430
6153034520142
723154356135
oct5140524676
91715406868
10696428990
11328130454
12175296052
13b138bb7a
14686c891c
15412194e5
hex2982a9be

696428990 has 8 divisors (see below), whose sum is σ = 1253572200. Its totient is φ = 278571592.

The previous prime is 696428977. The next prime is 696429001. The reversal of 696428990 is 99824696.

696428990 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×6964289903 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34821440 + ... + 34821459.

It is an arithmetic number, because the mean of its divisors is an integer number (156696525).

Almost surely, 2696428990 is an apocalyptic number.

696428990 is a deficient number, since it is larger than the sum of its proper divisors (557143210).

696428990 is a wasteful number, since it uses less digits than its factorization.

696428990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69642906.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 696428990 is about 26389.9410760994. The cubic root of 696428990 is about 886.3915631039.

The spelling of 696428990 in words is "six hundred ninety-six million, four hundred twenty-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 69642899 139285798 348214495 696428990