Base | Representation |
---|---|
bin | 111001111001… |
… | …1101101000010 |
3 | 2010010100210220 |
4 | 1303303231002 |
5 | 30232431323 |
6 | 3002403510 |
7 | 516020163 |
oct | 163635502 |
9 | 63110726 |
10 | 30358338 |
11 | 1615573a |
12 | a200596 |
13 | 639c11a |
14 | 406376a |
15 | 29ea0e3 |
hex | 1cf3b42 |
30358338 has 16 divisors (see below), whose sum is σ = 60877440. Its totient is φ = 10092656.
The previous prime is 30358319. The next prime is 30358351. The reversal of 30358338 is 83385303.
It is a super-2 number, since 2×303583382 = 1843257372244488, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30358299 and 30358308.
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, 4170 + ... + 8837.
It is an arithmetic number, because the mean of its divisors is an integer number (3804840).
Almost surely, 230358338 is an apocalyptic number.
30358338 is an abundant number, since it is smaller than the sum of its proper divisors (30519102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30358338 is a wasteful number, since it uses less digits than its factorization.
30358338 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13401.
The product of its (nonzero) digits is 25920, while the sum is 33.
The square root of 30358338 is about 5509.8401065730. The cubic root of 30358338 is about 311.9555122301.
The spelling of 30358338 in words is "thirty million, three hundred fifty-eight thousand, three hundred thirty-eight".
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