Base | Representation |
---|---|
bin | 111001100101… |
… | …1000111100110 |
3 | 2002210220210000 |
4 | 1303023013212 |
5 | 30212121402 |
6 | 2555042130 |
7 | 514425423 |
oct | 163130746 |
9 | 62726700 |
10 | 30192102 |
11 | 16051856 |
12 | a140346 |
13 | 6341565 |
14 | 401cd4a |
15 | 29b5c1c |
hex | 1ccb1e6 |
30192102 has 80 divisors (see below), whose sum is σ = 75533040. Its totient is φ = 8957952.
The previous prime is 30192101. The next prime is 30192157. The reversal of 30192102 is 20129103.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30192101) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52038 + ... + 52614.
It is an arithmetic number, because the mean of its divisors is an integer number (944163).
Almost surely, 230192102 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30192102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37766520).
30192102 is an abundant number, since it is smaller than the sum of its proper divisors (45340938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30192102 is a wasteful number, since it uses less digits than its factorization.
30192102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 627 (or 618 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
The square root of 30192102 is about 5494.7340245002. The cubic root of 30192102 is about 311.3850683920.
The spelling of 30192102 in words is "thirty million, one hundred ninety-two thousand, one hundred two".
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