Base | Representation |
---|---|
bin | 111001100111… |
… | …1001010111101 |
3 | 2002211202112210 |
4 | 1303033022331 |
5 | 30213134301 |
6 | 2555251033 |
7 | 514525005 |
oct | 163171275 |
9 | 62752483 |
10 | 30208701 |
11 | 16063276 |
12 | a149a79 |
13 | 6348c93 |
14 | 4025005 |
15 | 29baad6 |
hex | 1ccf2bd |
30208701 has 8 divisors (see below), whose sum is σ = 40314880. Its totient is φ = 20120832.
The previous prime is 30208679. The next prime is 30208709. The reversal of 30208701 is 10780203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30208701 - 210 = 30207677 is a prime.
It is a super-2 number, since 2×302087012 = 1825131232214802, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30208709) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 7773.
It is an arithmetic number, because the mean of its divisors is an integer number (5039360).
Almost surely, 230208701 is an apocalyptic number.
It is an amenable number.
30208701 is a deficient number, since it is larger than the sum of its proper divisors (10106179).
30208701 is a wasteful number, since it uses less digits than its factorization.
30208701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9155.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 30208701 is about 5496.2442631310. The cubic root of 30208701 is about 311.4421223177.
Adding to 30208701 its reverse (10780203), we get a palindrome (40988904).
The spelling of 30208701 in words is "thirty million, two hundred eight thousand, seven hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •