Base | Representation |
---|---|
bin | 10111001101011… |
… | …100100111111000 |
3 | 1000010201121212020 |
4 | 113031130213320 |
5 | 1244141313310 |
6 | 102350114440 |
7 | 12435566055 |
oct | 2715344770 |
9 | 1003647766 |
10 | 389401080 |
11 | 18a896882 |
12 | aa4aba20 |
13 | 628a0253 |
14 | 39a0602c |
15 | 242bd170 |
hex | 1735c9f8 |
389401080 has 32 divisors (see below), whose sum is σ = 1168203600. Its totient is φ = 103840256.
The previous prime is 389401073. The next prime is 389401091. The reversal of 389401080 is 80104983.
It is a super-2 number, since 2×3894010802 = 303266402210332800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622385 + ... + 1622624.
Almost surely, 2389401080 is an apocalyptic number.
389401080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
389401080 is an abundant number, since it is smaller than the sum of its proper divisors (778802520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389401080 is a wasteful number, since it uses less digits than its factorization.
389401080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3245023 (or 3245019 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 389401080 is about 19733.2480854015. The cubic root of 389401080 is about 730.2401661771.
The spelling of 389401080 in words is "three hundred eighty-nine million, four hundred one thousand, eighty".
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