Base | Representation |
---|---|
bin | 111001010101… |
… | …1100100110100 |
3 | 2002120100112202 |
4 | 1302223210310 |
5 | 30144003100 |
6 | 2552204032 |
7 | 513346640 |
oct | 162534464 |
9 | 62510482 |
10 | 30062900 |
11 | 15a7377a |
12 | a099618 |
13 | 62c77ca |
14 | 3dc7c20 |
15 | 298c7d5 |
hex | 1cab934 |
30062900 has 72 divisors (see below), whose sum is σ = 75786816. Its totient is φ = 10137600.
The previous prime is 30062899. The next prime is 30062911. The reversal of 30062900 is 926003.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
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 23 ways as a sum of consecutive naturals, for example, 46580 + ... + 47220.
Almost surely, 230062900 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30062900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37893408).
30062900 is an abundant number, since it is smaller than the sum of its proper divisors (45723916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30062900 is a wasteful number, since it uses less digits than its factorization.
30062900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 729 (or 722 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 30062900 is about 5482.9645266042. The cubic root of 30062900 is about 310.9402600279.
Adding to 30062900 its reverse (926003), we get a palindrome (30988903).
It can be divided in two parts, 3006 and 2900, that multiplied together give a triangular number (8717400 = T4175).
The spelling of 30062900 in words is "thirty million, sixty-two thousand, nine hundred".
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