Base | Representation |
---|---|
bin | 10101001000110… |
… | …100110010101000 |
3 | 220201022022122200 |
4 | 111020310302220 |
5 | 1211241304140 |
6 | 55105020200 |
7 | 11534230023 |
oct | 2510646250 |
9 | 821268580 |
10 | 354634920 |
11 | 172200512 |
12 | 9a924660 |
13 | 58619a63 |
14 | 351561ba |
15 | 21202030 |
hex | 15234ca8 |
354634920 has 48 divisors (see below), whose sum is σ = 1152564660. Its totient is φ = 94569216.
The previous prime is 354634913. The next prime is 354634921. The reversal of 354634920 is 29436453.
It can be written as a sum of positive squares in 2 ways, for example, as 354267684 + 367236 = 18822^2 + 606^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (354634921) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492189 + ... + 492908.
Almost surely, 2354634920 is an apocalyptic number.
354634920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
354634920 is an abundant number, since it is smaller than the sum of its proper divisors (797929740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
354634920 is a wasteful number, since it uses less digits than its factorization.
354634920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 985114 (or 985107 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 36.
The square root of 354634920 is about 18831.7529720417. The cubic root of 354634920 is about 707.8270668318.
The spelling of 354634920 in words is "three hundred fifty-four million, six hundred thirty-four thousand, nine hundred twenty".
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