Base | Representation |
---|---|
bin | 111001011110… |
… | …1100110111101 |
3 | 2002201002212111 |
4 | 1302331212331 |
5 | 30203334030 |
6 | 2553534021 |
7 | 514105201 |
oct | 162754675 |
9 | 62632774 |
10 | 30136765 |
11 | 1601421a |
12 | a114311 |
13 | 6322309 |
14 | 4006b01 |
15 | 29a462a |
hex | 1cbd9bd |
30136765 has 8 divisors (see below), whose sum is σ = 37005408. Its totient is φ = 23548560.
The previous prime is 30136753. The next prime is 30136781. The reversal of 30136765 is 56763103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30136765 - 211 = 30134717 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69871 + ... + 70300.
It is an arithmetic number, because the mean of its divisors is an integer number (4625676).
Almost surely, 230136765 is an apocalyptic number.
It is an amenable number.
30136765 is a deficient number, since it is larger than the sum of its proper divisors (6868643).
30136765 is a wasteful number, since it uses less digits than its factorization.
30136765 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140219.
The product of its (nonzero) digits is 11340, while the sum is 31.
The square root of 30136765 is about 5489.6962575356. The cubic root of 30136765 is about 311.1947133835.
Adding to 30136765 its reverse (56763103), we get a palindrome (86899868).
The spelling of 30136765 in words is "thirty million, one hundred thirty-six thousand, seven hundred sixty-five".
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