Base | Representation |
---|---|
bin | 111001011110… |
… | …1000111010000 |
3 | 2002201000002100 |
4 | 1302331013100 |
5 | 30203302421 |
6 | 2553520400 |
7 | 514066242 |
oct | 162750720 |
9 | 62630070 |
10 | 30134736 |
11 | 16012745 |
12 | a113100 |
13 | 6321408 |
14 | 4006092 |
15 | 29a3c26 |
hex | 1cbd1d0 |
30134736 has 30 divisors (see below), whose sum is σ = 84335810. Its totient is φ = 10044864.
The previous prime is 30134729. The next prime is 30134747. The reversal of 30134736 is 63743103.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 20250000 + 9884736 = 4500^2 + 3144^2 .
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 5 ways as a sum of consecutive naturals, for example, 104491 + ... + 104778.
Almost surely, 230134736 is an apocalyptic number.
30134736 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30134736 is an abundant number, since it is smaller than the sum of its proper divisors (54201074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30134736 is a wasteful number, since it uses less digits than its factorization.
30134736 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209283 (or 209274 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 27.
The square root of 30134736 is about 5489.5114536724. The cubic root of 30134736 is about 311.1877293532.
Adding to 30134736 its reverse (63743103), we get a palindrome (93877839).
The spelling of 30134736 in words is "thirty million, one hundred thirty-four thousand, seven hundred thirty-six".
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