Base | Representation |
---|---|
bin | 111010010001… |
… | …1010101011010 |
3 | 2010111021102200 |
4 | 1310203111122 |
5 | 30310202214 |
6 | 3010511030 |
7 | 520462032 |
oct | 164432532 |
9 | 63437380 |
10 | 30553434 |
11 | 1627927a |
12 | a295476 |
13 | 6439b72 |
14 | 40b48c2 |
15 | 2a37d09 |
hex | 1d2355a |
30553434 has 12 divisors (see below), whose sum is σ = 66199146. Its totient is φ = 10184472.
The previous prime is 30553427. The next prime is 30553441. The reversal of 30553434 is 43435503.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30553427) and next prime (30553441).
It can be written as a sum of positive squares in only one way, i.e., 16378209 + 14175225 = 4047^2 + 3765^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30553398 and 30553407.
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 5 ways as a sum of consecutive naturals, for example, 848689 + ... + 848724.
Almost surely, 230553434 is an apocalyptic number.
30553434 is an abundant number, since it is smaller than the sum of its proper divisors (35645712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30553434 is a wasteful number, since it uses less digits than its factorization.
30553434 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1697421 (or 1697418 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 27.
The square root of 30553434 is about 5527.5160786740. The cubic root of 30553434 is about 312.6223401523.
Adding to 30553434 its reverse (43435503), we get a palindrome (73988937).
The spelling of 30553434 in words is "thirty million, five hundred fifty-three thousand, four hundred thirty-four".
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