Base | Representation |
---|---|
bin | 111001010100… |
… | …0011011001011 |
3 | 2002112200211210 |
4 | 1302220123023 |
5 | 30143044440 |
6 | 2552024203 |
7 | 513264213 |
oct | 162503313 |
9 | 62480753 |
10 | 30049995 |
11 | 15a65008 |
12 | a092063 |
13 | 62c1981 |
14 | 3dc3243 |
15 | 2988a80 |
hex | 1ca86cb |
30049995 has 16 divisors (see below), whose sum is σ = 48326400. Its totient is φ = 15944544.
The previous prime is 30049979. The next prime is 30050047. The reversal of 30049995 is 59994003.
It is a happy number.
It is not a de Polignac number, because 30049995 - 24 = 30049979 is a prime.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2049 + ... + 8018.
It is an arithmetic number, because the mean of its divisors is an integer number (3020400).
Almost surely, 230049995 is an apocalyptic number.
30049995 is a deficient number, since it is larger than the sum of its proper divisors (18276405).
30049995 is a wasteful number, since it uses less digits than its factorization.
30049995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10274.
The product of its (nonzero) digits is 43740, while the sum is 39.
The square root of 30049995 is about 5481.7875734107. The cubic root of 30049995 is about 310.8957615667.
The spelling of 30049995 in words is "thirty million, forty-nine thousand, nine hundred ninety-five".
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