Base | Representation |
---|---|
bin | 111001011010… |
… | …0101111010010 |
3 | 2002122021000220 |
4 | 1302310233102 |
5 | 30201203214 |
6 | 2553053510 |
7 | 513564240 |
oct | 162645722 |
9 | 62567026 |
10 | 30100434 |
11 | 15a999a1 |
12 | a0b7296 |
13 | 630b910 |
14 | 3dd7790 |
15 | 29989a9 |
hex | 1cb4bd2 |
30100434 has 64 divisors (see below), whose sum is σ = 76688640. Its totient is φ = 7660800.
The previous prime is 30100417. The next prime is 30100453. The reversal of 30100434 is 43400103.
30100434 = T196 + T197 + ... + T572.
It is a super-2 number, since 2×301004342 = 1812072253976712, which contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14884 + ... + 16784.
It is an arithmetic number, because the mean of its divisors is an integer number (1198260).
Almost surely, 230100434 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30100434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38344320).
30100434 is an abundant number, since it is smaller than the sum of its proper divisors (46588206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30100434 is a wasteful number, since it uses less digits than its factorization.
30100434 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1955.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 30100434 is about 5486.3862423275. The cubic root of 30100434 is about 311.0696108003.
Adding to 30100434 its reverse (43400103), we get a palindrome (73500537).
The spelling of 30100434 in words is "thirty million, one hundred thousand, four hundred thirty-four".
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