Base | Representation |
---|---|
bin | 111100011100011… |
… | …0011001000000000 |
3 | 12020100022222011101 |
4 | 1320320303020000 |
5 | 13123201433032 |
6 | 533130224144 |
7 | 101155015324 |
oct | 17070631000 |
9 | 5210288141 |
10 | 2028155392 |
11 | 95092818a |
12 | 487285054 |
13 | 264254863 |
14 | 153507984 |
15 | bd0c4de7 |
hex | 78e33200 |
2028155392 has 40 divisors (see below), whose sum is σ = 4112901936. Its totient is φ = 998925312.
The previous prime is 2028155351. The next prime is 2028155401. The reversal of 2028155392 is 2935518202.
It is a super-2 number, since 2×20281553922 = 8226828588197347328, which contains 22 as substring.
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, 4743 + ... + 63865.
Almost surely, 22028155392 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 2028155392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056450968).
2028155392 is an abundant number, since it is smaller than the sum of its proper divisors (2084746544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2028155392 is an frugal number, since it uses more digits than its factorization.
2028155392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59208 (or 59192 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 2028155392 is about 45035.0462639931. The cubic root of 2028155392 is about 1265.8057830275.
The spelling of 2028155392 in words is "two billion, twenty-eight million, one hundred fifty-five thousand, three hundred ninety-two".
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