Base | Representation |
---|---|
bin | 10111011000010… |
… | …101001001000100 |
3 | 1000100002120100200 |
4 | 113120111021010 |
5 | 1300404112040 |
6 | 102531210500 |
7 | 12502050504 |
oct | 2730251104 |
9 | 1010076320 |
10 | 392254020 |
11 | 191465284 |
12 | ab446a30 |
13 | 6335b992 |
14 | 3a149a04 |
15 | 24683630 |
hex | 17615244 |
392254020 has 72 divisors (see below), whose sum is σ = 1222015704. Its totient is φ = 101772288.
The previous prime is 392254019. The next prime is 392254091. The reversal of 392254020 is 20452293.
392254020 is a `hidden beast` number, since 39 + 225 + 402 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 45400644 + 346853376 = 6738^2 + 18624^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22789 + ... + 36108.
Almost surely, 2392254020 is an apocalyptic number.
392254020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
392254020 is an abundant number, since it is smaller than the sum of its proper divisors (829761684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392254020 is a wasteful number, since it uses less digits than its factorization.
392254020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58949 (or 58944 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 392254020 is about 19805.4038080520. The cubic root of 392254020 is about 732.0191923661.
The spelling of 392254020 in words is "three hundred ninety-two million, two hundred fifty-four thousand, twenty".
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