Base | Representation |
---|---|
bin | 111001011010… |
… | …0100110001100 |
3 | 2002122020020100 |
4 | 1302310212030 |
5 | 30201143402 |
6 | 2553051100 |
7 | 513562446 |
oct | 162644614 |
9 | 62566210 |
10 | 30099852 |
11 | 15a99512 |
12 | a0b6a90 |
13 | 630b583 |
14 | 3dd7496 |
15 | 299871c |
hex | 1cb498c |
30099852 has 18 divisors (see below), whose sum is σ = 76085828. Its totient is φ = 10033272.
The previous prime is 30099851. The next prime is 30099917. The reversal of 30099852 is 25899003.
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 836107 = 30099852 / (3 + 0 + 0 + 9 + 9 + 8 + 5 + 2).
It is not an unprimeable number, because it can be changed into a prime (30099851) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418018 + ... + 418089.
Almost surely, 230099852 is an apocalyptic number.
It is an amenable number.
30099852 is an abundant number, since it is smaller than the sum of its proper divisors (45985976).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30099852 is a wasteful number, since it uses less digits than its factorization.
30099852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 836117 (or 836112 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 36.
The square root of 30099852 is about 5486.3332016931. Note that the first 3 decimals coincide. The cubic root of 30099852 is about 311.0676059158.
The spelling of 30099852 in words is "thirty million, ninety-nine thousand, eight hundred fifty-two".
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