Base | Representation |
---|---|
bin | 111001111010… |
… | …0010111111000 |
3 | 2010010111120110 |
4 | 1303310113320 |
5 | 30233023310 |
6 | 3002424320 |
7 | 516031161 |
oct | 163642770 |
9 | 63114513 |
10 | 30361080 |
11 | 16157802 |
12 | a2020a0 |
13 | 63a0449 |
14 | 4064768 |
15 | 29ead20 |
hex | 1cf45f8 |
30361080 has 48 divisors (see below), whose sum is σ = 91264680. Its totient is φ = 8080192.
The previous prime is 30361073. The next prime is 30361087. The reversal of 30361080 is 8016303.
It is an interprime number because it is at equal distance from previous prime (30361073) and next prime (30361087).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30361087) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60109 + ... + 60611.
Almost surely, 230361080 is an apocalyptic number.
30361080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30361080 is an abundant number, since it is smaller than the sum of its proper divisors (60903600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30361080 is an equidigital number, since it uses as much as digits as its factorization.
30361080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1020 (or 513 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 30361080 is about 5510.0889285020. The cubic root of 30361080 is about 311.9649040076.
Adding to 30361080 its reverse (8016303), we get a palindrome (38377383).
The spelling of 30361080 in words is "thirty million, three hundred sixty-one thousand, eighty".
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