Base | Representation |
---|---|
bin | 111001001111… |
… | …1011110011111 |
3 | 2002110211120022 |
4 | 1302133132133 |
5 | 30140411333 |
6 | 2551142355 |
7 | 513052313 |
oct | 162373637 |
9 | 62424508 |
10 | 30013343 |
11 | 15a3a518 |
12 | a0749bb |
13 | 62ab099 |
14 | 3db3b43 |
15 | 297cc98 |
hex | 1c9f79f |
30013343 has 4 divisors (see below), whose sum is σ = 30068760. Its totient is φ = 29957928.
The previous prime is 30013337. The next prime is 30013349. The reversal of 30013343 is 34331003.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (30013337) and next prime (30013349).
It is a cyclic number.
It is not a de Polignac number, because 30013343 - 224 = 13236127 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30013349) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26888 + ... + 27981.
It is an arithmetic number, because the mean of its divisors is an integer number (7517190).
Almost surely, 230013343 is an apocalyptic number.
30013343 is a deficient number, since it is larger than the sum of its proper divisors (55417).
30013343 is an equidigital number, since it uses as much as digits as its factorization.
30013343 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55416.
The product of its (nonzero) digits is 324, while the sum is 17.
The square root of 30013343 is about 5478.4434833263. The cubic root of 30013343 is about 310.7693102156.
Adding to 30013343 its reverse (34331003), we get a palindrome (64344346).
The spelling of 30013343 in words is "thirty million, thirteen thousand, three hundred forty-three".
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