Base | Representation |
---|---|
bin | 111010000010… |
… | …1010010101001 |
3 | 2010021000122000 |
4 | 1310011102221 |
5 | 30242233002 |
6 | 3004121213 |
7 | 516440205 |
oct | 164052251 |
9 | 63230560 |
10 | 30430377 |
11 | 161a487a |
12 | a236209 |
13 | 63c5b53 |
14 | 4081b05 |
15 | 2a1161c |
hex | 1d054a9 |
30430377 has 8 divisors (see below), whose sum is σ = 45082080. Its totient is φ = 20286900.
The previous prime is 30430349. The next prime is 30430409. The reversal of 30430377 is 77303403.
It is not a de Polignac number, because 30430377 - 210 = 30429353 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1127051 = 30430377 / (3 + 0 + 4 + 3 + 0 + 3 + 7 + 7).
It is a self number, because there is not a number n which added to its sum of digits gives 30430377.
It is not an unprimeable number, because it can be changed into a prime (30430177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563499 + ... + 563552.
It is an arithmetic number, because the mean of its divisors is an integer number (5635260).
Almost surely, 230430377 is an apocalyptic number.
It is an amenable number.
30430377 is a deficient number, since it is larger than the sum of its proper divisors (14651703).
30430377 is a wasteful number, since it uses less digits than its factorization.
30430377 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1127060 (or 1127054 counting only the distinct ones).
The product of its (nonzero) digits is 5292, while the sum is 27.
The square root of 30430377 is about 5516.3735370259. The cubic root of 30430377 is about 312.2020695434.
The spelling of 30430377 in words is "thirty million, four hundred thirty thousand, three hundred seventy-seven".
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