Base | Representation |
---|---|
bin | 10101000111000… |
… | …010110100010001 |
3 | 220200102121021100 |
4 | 111013002310101 |
5 | 1211131334311 |
6 | 55051015013 |
7 | 11530244001 |
oct | 2507026421 |
9 | 820377240 |
10 | 354168081 |
11 | 171a117a3 |
12 | 9a73a469 |
13 | 584b5417 |
14 | 35074001 |
15 | 2115da56 |
hex | 151c2d11 |
354168081 has 24 divisors (see below), whose sum is σ = 524569760. Its totient is φ = 230138496.
The previous prime is 354168071. The next prime is 354168109. The reversal of 354168081 is 180861453.
It is not a de Polignac number, because 354168081 - 213 = 354159889 is a prime.
It is a super-2 number, since 2×3541680812 = 250870059198445122, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (354168071) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350505 + ... + 351513.
Almost surely, 2354168081 is an apocalyptic number.
It is an amenable number.
354168081 is a deficient number, since it is larger than the sum of its proper divisors (170401679).
354168081 is a wasteful number, since it uses less digits than its factorization.
354168081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1965 (or 1962 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 36.
The square root of 354168081 is about 18819.3538943291. The cubic root of 354168081 is about 707.5163375301.
The spelling of 354168081 in words is "three hundred fifty-four million, one hundred sixty-eight thousand, eighty-one".
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