Base | Representation |
---|---|
bin | 111001011010… |
… | …0110001000111 |
3 | 2002122021012020 |
4 | 1302310301013 |
5 | 30201204201 |
6 | 2553054223 |
7 | 513564465 |
oct | 162646107 |
9 | 62567166 |
10 | 30100551 |
11 | 15a99a98 |
12 | a0b7373 |
13 | 630b9a0 |
14 | 3dd7835 |
15 | 2998a36 |
hex | 1cb4c47 |
30100551 has 8 divisors (see below), whose sum is σ = 43221360. Its totient is φ = 18523392.
The previous prime is 30100517. The next prime is 30100607. The reversal of 30100551 is 15500103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-30100551 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30100551.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30100051) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 385866 + ... + 385943.
It is an arithmetic number, because the mean of its divisors is an integer number (5402670).
Almost surely, 230100551 is an apocalyptic number.
30100551 is a deficient number, since it is larger than the sum of its proper divisors (13120809).
30100551 is a wasteful number, since it uses less digits than its factorization.
30100551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 771825.
The product of its (nonzero) digits is 75, while the sum is 15.
The square root of 30100551 is about 5486.3969050735. The cubic root of 30100551 is about 311.0700138410.
Adding to 30100551 its reverse (15500103), we get a palindrome (45600654).
The spelling of 30100551 in words is "thirty million, one hundred thousand, five hundred fifty-one".
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