Base | Representation |
---|---|
bin | 111001011000… |
… | …1001101000011 |
3 | 2002121112011122 |
4 | 1302301031003 |
5 | 30200222310 |
6 | 2552502455 |
7 | 513504104 |
oct | 162611503 |
9 | 62545148 |
10 | 30085955 |
11 | 15a8a029 |
12 | a0aaa2b |
13 | 6305153 |
14 | 3dd23ab |
15 | 2994555 |
hex | 1cb1343 |
30085955 has 16 divisors (see below), whose sum is σ = 37822464. Its totient is φ = 22931040.
The previous prime is 30085943. The next prime is 30085961. The reversal of 30085955 is 55958003.
It is not a de Polignac number, because 30085955 - 212 = 30081859 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49262 + ... + 49868.
It is an arithmetic number, because the mean of its divisors is an integer number (2363904).
Almost surely, 230085955 is an apocalyptic number.
30085955 is a deficient number, since it is larger than the sum of its proper divisors (7736509).
30085955 is a wasteful number, since it uses less digits than its factorization.
30085955 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1066.
The product of its (nonzero) digits is 27000, while the sum is 35.
The square root of 30085955 is about 5485.0665447194. The cubic root of 30085955 is about 311.0197255920.
The spelling of 30085955 in words is "thirty million, eighty-five thousand, nine hundred fifty-five".
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