Base | Representation |
---|---|
bin | 111001011010… |
… | …1001011011000 |
3 | 2002122100111111 |
4 | 1302311023120 |
5 | 30201232412 |
6 | 2553110104 |
7 | 513602416 |
oct | 162651330 |
9 | 62570444 |
10 | 30102232 |
11 | 15aa0286 |
12 | a0b8334 |
13 | 630c694 |
14 | 3dd82b6 |
15 | 29992a7 |
hex | 1cb52d8 |
30102232 has 32 divisors (see below), whose sum is σ = 61470000. Its totient is φ = 13765248.
The previous prime is 30102227. The next prime is 30102263. The reversal of 30102232 is 23220103.
It is a happy number.
It is a super-2 number, since 2×301022322 = 1812288742763648, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 994 + ... + 7822.
Almost surely, 230102232 is an apocalyptic number.
It is an amenable number.
30102232 is an abundant number, since it is smaller than the sum of its proper divisors (31367768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102232 is a wasteful number, since it uses less digits than its factorization.
30102232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6883 (or 6879 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 30102232 is about 5486.5501000173. The cubic root of 30102232 is about 311.0758044212.
Adding to 30102232 its reverse (23220103), we get a palindrome (53322335).
It can be divided in two parts, 3010223 and 2, that added together give a square (3010225 = 17352).
The spelling of 30102232 in words is "thirty million, one hundred two thousand, two hundred thirty-two".
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