Base | Representation |
---|---|
bin | 111001100001… |
… | …0000011111010 |
3 | 2002202000212221 |
4 | 1303002003322 |
5 | 30204430002 |
6 | 2554154254 |
7 | 514212313 |
oct | 163020372 |
9 | 62660787 |
10 | 30155002 |
11 | 16026999 |
12 | a12298a |
13 | 632a6c7 |
14 | 400d60a |
15 | 29a9c37 |
hex | 1cc20fa |
30155002 has 16 divisors (see below), whose sum is σ = 47015424. Its totient is φ = 14490000.
The previous prime is 30154981. The next prime is 30155003. The reversal of 30155002 is 20055103.
It is not an unprimeable number, because it can be changed into a prime (30155003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7752 + ... + 10972.
It is an arithmetic number, because the mean of its divisors is an integer number (2938464).
Almost surely, 230155002 is an apocalyptic number.
30155002 is a deficient number, since it is larger than the sum of its proper divisors (16860422).
30155002 is a wasteful number, since it uses less digits than its factorization.
30155002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3405.
The product of its (nonzero) digits is 150, while the sum is 16.
The square root of 30155002 is about 5491.3570271837. The cubic root of 30155002 is about 311.2574729796.
The spelling of 30155002 in words is "thirty million, one hundred fifty-five thousand, two".
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