Base | Representation |
---|---|
bin | 111010011111… |
… | …1000101011011 |
3 | 2010201001100111 |
4 | 1310333011123 |
5 | 30322321344 |
6 | 3013145151 |
7 | 521444311 |
oct | 164770533 |
9 | 63631314 |
10 | 30667099 |
11 | 16346711 |
12 | a32b1b7 |
13 | 6479818 |
14 | 41040b1 |
15 | 2a5b834 |
hex | 1d3f15b |
30667099 has 4 divisors (see below), whose sum is σ = 32471064. Its totient is φ = 28863136.
The previous prime is 30667097. The next prime is 30667111. The reversal of 30667099 is 99076603.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30667099 - 21 = 30667097 is a prime.
It is a super-2 number, since 2×306670992 = 1880941922151602, which contains 22 as substring.
It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30667097) 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, 901957 + ... + 901990.
It is an arithmetic number, because the mean of its divisors is an integer number (8117766).
Almost surely, 230667099 is an apocalyptic number.
30667099 is a deficient number, since it is larger than the sum of its proper divisors (1803965).
30667099 is a wasteful number, since it uses less digits than its factorization.
30667099 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1803964.
The product of its (nonzero) digits is 61236, while the sum is 40.
The square root of 30667099 is about 5537.7882769207. The cubic root of 30667099 is about 313.0095333376.
The spelling of 30667099 in words is "thirty million, six hundred sixty-seven thousand, ninety-nine".
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