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168190284 = 22314015857
BaseRepresentation
bin10100000011001…
…10000101001100
3102201110221200210
422001212011030
5321024042114
624404522420
74111410453
oct1201460514
9381427623
10168190284
1186a36939
12483b0410
1328aca6a2
14184a1b9a
15eb74259
hexa06614c

168190284 has 12 divisors (see below), whose sum is σ = 392444024. Its totient is φ = 56063424.

The previous prime is 168190277. The next prime is 168190313. The reversal of 168190284 is 482091861.

168190284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 7007917 + ... + 7007940.

Almost surely, 2168190284 is an apocalyptic number.

It is an amenable number.

168190284 is an abundant number, since it is smaller than the sum of its proper divisors (224253740).

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

168190284 is a wasteful number, since it uses less digits than its factorization.

168190284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015864 (or 14015862 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 168190284 is about 12968.8196841501. The cubic root of 168190284 is about 551.9930817238.

The spelling of 168190284 in words is "one hundred sixty-eight million, one hundred ninety thousand, two hundred eighty-four".

Divisors: 1 2 3 4 6 12 14015857 28031714 42047571 56063428 84095142 168190284