Base | Representation |
---|---|
bin | 111001100110… |
… | …0111101100010 |
3 | 2002211022010120 |
4 | 1303030331202 |
5 | 30212342100 |
6 | 2555141110 |
7 | 514456425 |
oct | 163147542 |
9 | 62738116 |
10 | 30199650 |
11 | 16057498 |
12 | a144796 |
13 | 6344b20 |
14 | 40219bc |
15 | 29b80a0 |
hex | 1cccf62 |
30199650 has 96 divisors (see below), whose sum is σ = 85494528. Its totient is φ = 6988800.
The previous prime is 30199613. The next prime is 30199651. The reversal of 30199650 is 5699103.
It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (30199651) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32695 + ... + 33605.
It is an arithmetic number, because the mean of its divisors is an integer number (890568).
Almost surely, 230199650 is an apocalyptic number.
30199650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30199650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42747264).
30199650 is an abundant number, since it is smaller than the sum of its proper divisors (55294878).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30199650 is a wasteful number, since it uses less digits than its factorization.
30199650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 956 (or 951 counting only the distinct ones).
The product of its (nonzero) digits is 7290, while the sum is 33.
The square root of 30199650 is about 5495.4208210109. The cubic root of 30199650 is about 311.4110148980.
The spelling of 30199650 in words is "thirty million, one hundred ninety-nine thousand, six hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.085 sec. • engine limits •