Base | Representation |
---|---|
bin | 111010000101… |
… | …0101001011111 |
3 | 2010022010201200 |
4 | 1310022221133 |
5 | 30243433234 |
6 | 3004410543 |
7 | 516561162 |
oct | 164125137 |
9 | 63263650 |
10 | 30452319 |
11 | 1620a307 |
12 | a246a53 |
13 | 6402b31 |
14 | 4089ad9 |
15 | 2a17d99 |
hex | 1d0aa5f |
30452319 has 12 divisors (see below), whose sum is σ = 44733000. Its totient is φ = 19957104.
The previous prime is 30452309. The next prime is 30452327. The reversal of 30452319 is 91325403.
It is a de Polignac number, because none of the positive numbers 2k-30452319 is a prime.
It is a super-2 number, since 2×304523192 = 1854687464955522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30452292 and 30452301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30452309) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28144 + ... + 29205.
It is an arithmetic number, because the mean of its divisors is an integer number (3727750).
Almost surely, 230452319 is an apocalyptic number.
30452319 is a deficient number, since it is larger than the sum of its proper divisors (14280681).
30452319 is a wasteful number, since it uses less digits than its factorization.
30452319 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57414 (or 57411 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 30452319 is about 5518.3619852271. The cubic root of 30452319 is about 312.2770898866.
The spelling of 30452319 in words is "thirty million, four hundred fifty-two thousand, three hundred nineteen".
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