Base | Representation |
---|---|
bin | 111001011010… |
… | …0010101010001 |
3 | 2002122011202020 |
4 | 1302310111101 |
5 | 30201130034 |
6 | 2553042053 |
7 | 513556341 |
oct | 162642521 |
9 | 62564666 |
10 | 30098769 |
11 | 15a98718 |
12 | a0b6329 |
13 | 630ac2c |
14 | 3dd6d21 |
15 | 2998249 |
hex | 1cb4551 |
30098769 has 4 divisors (see below), whose sum is σ = 40131696. Its totient is φ = 20065844.
The previous prime is 30098741. The next prime is 30098773. The reversal of 30098769 is 96789003.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-30098769 is a prime.
It is a super-2 number, since 2×300987692 = 1811871790630722, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30098769.
It is not an unprimeable number, because it can be changed into a prime (30098669) 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, 5016459 + ... + 5016464.
It is an arithmetic number, because the mean of its divisors is an integer number (10032924).
Almost surely, 230098769 is an apocalyptic number.
It is an amenable number.
30098769 is a deficient number, since it is larger than the sum of its proper divisors (10032927).
30098769 is a wasteful number, since it uses less digits than its factorization.
30098769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10032926.
The product of its (nonzero) digits is 81648, while the sum is 42.
The square root of 30098769 is about 5486.2345010034. The cubic root of 30098769 is about 311.0638751084.
The spelling of 30098769 in words is "thirty million, ninety-eight thousand, seven hundred sixty-nine".
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