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389598012 = 22362337157
BaseRepresentation
bin10111001110001…
…100101100111100
31000011002122000000
4113032030230330
51244214114022
6102354234300
712440346156
oct2716145474
91004078000
10389598012
1118aa10831
12aa585990
136293ba8b
1439a57ad6
152430b6ac
hex1738cb3c

389598012 has 168 divisors, whose sum is σ = 1102478496. Its totient is φ = 120092544.

The previous prime is 389597953. The next prime is 389598023. The reversal of 389598012 is 210895983.

It is a happy number.

It is a super-2 number, since 2×3895980122 = 303573221908704288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2481438 + ... + 2481594.

It is an arithmetic number, because the mean of its divisors is an integer number (6562372).

Almost surely, 2389598012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389598012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551239248).

389598012 is an abundant number, since it is smaller than the sum of its proper divisors (712880484).

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

389598012 is a wasteful number, since it uses less digits than its factorization.

389598012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 389598012 is about 19738.2373073180. The cubic root of 389598012 is about 730.3632470039.

It can be divided in two parts, 38959 and 8012, that added together give a triangular number (46971 = T306).

The spelling of 389598012 in words is "three hundred eighty-nine million, five hundred ninety-eight thousand, twelve".