Base | Representation |
---|---|
bin | 111010100111… |
… | …0011100110100 |
3 | 2010211020200111 |
4 | 1311032130310 |
5 | 30331330121 |
6 | 3014352404 |
7 | 522125641 |
oct | 165163464 |
9 | 63736614 |
10 | 30730036 |
11 | 16389a27 |
12 | a35b704 |
13 | 649c36c |
14 | 411cdc8 |
15 | 2a702e1 |
hex | 1d4e734 |
30730036 has 24 divisors (see below), whose sum is σ = 56083104. Its totient is φ = 14720160.
The previous prime is 30730013. The next prime is 30730061. The reversal of 30730036 is 63003703.
It is a super-2 number, since 2×307300362 = 1888670225122592, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30729989 and 30730016.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7431 + ... + 10801.
It is an arithmetic number, because the mean of its divisors is an integer number (2336796).
Almost surely, 230730036 is an apocalyptic number.
It is an amenable number.
30730036 is a deficient number, since it is larger than the sum of its proper divisors (25353068).
30730036 is a wasteful number, since it uses less digits than its factorization.
30730036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3471 (or 3469 counting only the distinct ones).
The product of its (nonzero) digits is 1134, while the sum is 22.
The square root of 30730036 is about 5543.4678676799. The cubic root of 30730036 is about 313.2235131458.
Adding to 30730036 its reverse (63003703), we get a palindrome (93733739).
It can be divided in two parts, 3073003 and 6, that added together give a square (3073009 = 17532).
The spelling of 30730036 in words is "thirty million, seven hundred thirty thousand, thirty-six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.112 sec. • engine limits •