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168089530 = 2572401279
BaseRepresentation
bin10100000010011…
…01011110111010
3102201021211111011
422001031132322
5321012331110
624402424134
74110510640
oct1201153672
9381254434
10168089530
1186978174
124836204a
1328a9387b
1418477190
15eb5448a
hexa04d7ba

168089530 has 16 divisors (see below), whose sum is σ = 345784320. Its totient is φ = 57630672.

The previous prime is 168089527. The next prime is 168089573. The reversal of 168089530 is 35980861.

It is a happy number.

168089530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200570 + ... + 1200709.

It is an arithmetic number, because the mean of its divisors is an integer number (21611520).

Almost surely, 2168089530 is an apocalyptic number.

168089530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168089530 is an abundant number, since it is smaller than the sum of its proper divisors (177694790).

168089530 is a wasteful number, since it uses less digits than its factorization.

168089530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401293.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 168089530 is about 12964.9346315359. The cubic root of 168089530 is about 551.8828363145.

The spelling of 168089530 in words is "one hundred sixty-eight million, eighty-nine thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2401279 4802558 12006395 16808953 24012790 33617906 84044765 168089530