Base | Representation |
---|---|
bin | 111001010000… |
… | …1110100101111 |
3 | 2002111022202110 |
4 | 1302201310233 |
5 | 30141213314 |
6 | 2551255103 |
7 | 513122331 |
oct | 162416457 |
9 | 62438673 |
10 | 30022959 |
11 | 15a4676a |
12 | a07a493 |
13 | 62b2585 |
14 | 3db7451 |
15 | 2980a59 |
hex | 1ca1d2f |
30022959 has 4 divisors (see below), whose sum is σ = 40030616. Its totient is φ = 20015304.
The previous prime is 30022943. The next prime is 30022961. The reversal of 30022959 is 95922003.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95922003 = 3 ⋅31974001.
It is not a de Polignac number, because 30022959 - 24 = 30022943 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30022999) 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, 5003824 + ... + 5003829.
It is an arithmetic number, because the mean of its divisors is an integer number (10007654).
Almost surely, 230022959 is an apocalyptic number.
30022959 is a deficient number, since it is larger than the sum of its proper divisors (10007657).
30022959 is a wasteful number, since it uses less digits than its factorization.
30022959 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10007656.
The product of its (nonzero) digits is 4860, while the sum is 30.
The square root of 30022959 is about 5479.3210345808. The cubic root of 30022959 is about 310.8024958846.
The spelling of 30022959 in words is "thirty million, twenty-two thousand, nine hundred fifty-nine".
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