Base | Representation |
---|---|
bin | 101111111100111… |
… | …1001001011011010 |
3 | 11011010122021102110 |
4 | 1133321321023122 |
5 | 11243401340210 |
6 | 423354413150 |
7 | 54605242611 |
oct | 13771711332 |
9 | 4133567373 |
10 | 1609011930 |
11 | 756277529 |
12 | 38aa311b6 |
13 | 1c846c986 |
14 | 11399c878 |
15 | 963ce420 |
hex | 5fe792da |
1609011930 has 32 divisors (see below), whose sum is σ = 3994790400. Its totient is φ = 414274112.
The previous prime is 1609011917. The next prime is 1609011953. The reversal of 1609011930 is 391109061.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923850 + ... + 925589.
It is an arithmetic number, because the mean of its divisors is an integer number (124837200).
Almost surely, 21609011930 is an apocalyptic number.
1609011930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1609011930 is an abundant number, since it is smaller than the sum of its proper divisors (2385778470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1609011930 is a wasteful number, since it uses less digits than its factorization.
1609011930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1849478.
The product of its (nonzero) digits is 1458, while the sum is 30.
The square root of 1609011930 is about 40112.4909473346. The cubic root of 1609011930 is about 1171.7989055941.
The spelling of 1609011930 in words is "one billion, six hundred nine million, eleven thousand, nine hundred thirty".
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