Base | Representation |
---|---|
bin | 111001011010… |
… | …0000110101100 |
3 | 2002122010110200 |
4 | 1302310012230 |
5 | 30201112321 |
6 | 2553033500 |
7 | 513553536 |
oct | 162640654 |
9 | 62563420 |
10 | 30097836 |
11 | 15a97a4a |
12 | a0b5890 |
13 | 630a692 |
14 | 3dd6856 |
15 | 2997d26 |
hex | 1cb41ac |
30097836 has 36 divisors (see below), whose sum is σ = 76828752. Its totient is φ = 9933984.
The previous prime is 30097831. The next prime is 30097841. The reversal of 30097836 is 63879003.
It is an interprime number because it is at equal distance from previous prime (30097831) and next prime (30097841).
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 30097836.
It is not an unprimeable number, because it can be changed into a prime (30097831) 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, 351 + ... + 7766.
It is an arithmetic number, because the mean of its divisors is an integer number (2134132).
Almost surely, 230097836 is an apocalyptic number.
30097836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30097836 is an abundant number, since it is smaller than the sum of its proper divisors (46730916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30097836 is a wasteful number, since it uses less digits than its factorization.
30097836 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8230 (or 8225 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 36.
The square root of 30097836 is about 5486.1494693455. The cubic root of 30097836 is about 311.0606609615.
The spelling of 30097836 in words is "thirty million, ninety-seven thousand, eight hundred thirty-six".
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