Base | Representation |
---|---|
bin | 1100001010011… |
… | …01101011001110 |
3 | 21002222122220000 |
4 | 12011031223032 |
5 | 202104430110 |
6 | 14042505130 |
7 | 2346145434 |
oct | 605155316 |
9 | 232878800 |
10 | 102030030 |
11 | 52658743 |
12 | 2a2051a6 |
13 | 181a47cb |
14 | d79cd54 |
15 | 8e561c0 |
hex | 614dace |
102030030 has 40 divisors (see below), whose sum is σ = 274349592. Its totient is φ = 27207792.
The previous prime is 102030007. The next prime is 102030059. The reversal of 102030030 is 30030201.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 102029994 and 102030021.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 62172 + ... + 63791.
Almost surely, 2102030030 is an apocalyptic number.
102030030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
102030030 is an abundant number, since it is smaller than the sum of its proper divisors (172319562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102030030 is a wasteful number, since it uses less digits than its factorization.
102030030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125982 (or 125973 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 9.
The square root of 102030030 is about 10100.9915354880. The cubic root of 102030030 is about 467.2787212879.
Adding to 102030030 its reverse (30030201), we get a palindrome (132060231).
The spelling of 102030030 in words is "one hundred two million, thirty thousand, thirty".
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