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210089394 = 23240928537
BaseRepresentation
bin11001000010110…
…11010110110010
3112122022122110200
430201123112302
5412240330034
632502540030
75130505344
oct1441332662
9478278420
10210089394
11a86542a9
125a437616
13346aa768
141dc8b294
151369da99
hexc85b5b2

210089394 has 24 divisors (see below), whose sum is σ = 456322620. Its totient is φ = 69856128.

The previous prime is 210089359. The next prime is 210089423. The reversal of 210089394 is 493980012.

210089394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 209873169 + 216225 = 14487^2 + 465^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6907 + ... + 21630.

Almost surely, 2210089394 is an apocalyptic number.

210089394 is an abundant number, since it is smaller than the sum of its proper divisors (246233226).

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

210089394 is a wasteful number, since it uses less digits than its factorization.

210089394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28954 (or 28951 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 210089394 is about 14494.4608040451. The cubic root of 210089394 is about 594.4765247336.

The spelling of 210089394 in words is "two hundred ten million, eighty-nine thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 18 409 818 1227 2454 3681 7362 28537 57074 85611 171222 256833 513666 11671633 23343266 35014899 70029798 105044697 210089394