Base | Representation |
---|---|
bin | 10011011011110… |
… | …10010101101100 |
3 | 102100202210122020 |
4 | 21231322111230 |
5 | 313213433010 |
6 | 24102150140 |
7 | 4016510142 |
oct | 1155722554 |
9 | 370683566 |
10 | 163030380 |
11 | 84032157 |
12 | 46722350 |
13 | 27a11ba6 |
14 | 1791b592 |
15 | e4a5470 |
hex | 9b7a56c |
163030380 has 24 divisors (see below), whose sum is σ = 456485232. Its totient is φ = 43474752.
The previous prime is 163030379. The next prime is 163030403. The reversal of 163030380 is 83030361.
It is a self number, because there is not a number n which added to its sum of digits gives 163030380.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358527 + ... + 1358646.
It is an arithmetic number, because the mean of its divisors is an integer number (19020218).
Almost surely, 2163030380 is an apocalyptic number.
163030380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
163030380 is an abundant number, since it is smaller than the sum of its proper divisors (293454852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163030380 is a wasteful number, since it uses less digits than its factorization.
163030380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2717185 (or 2717183 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 24.
The square root of 163030380 is about 12768.3350519948. The cubic root of 163030380 is about 546.2894921239.
The spelling of 163030380 in words is "one hundred sixty-three million, thirty thousand, three hundred eighty".
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