Base | Representation |
---|---|
bin | 111001101001… |
… | …0011011111010 |
3 | 2002212102220002 |
4 | 1303102123322 |
5 | 30214101244 |
6 | 2555433002 |
7 | 514612001 |
oct | 163223372 |
9 | 62772802 |
10 | 30222074 |
11 | 16072323 |
12 | a155762 |
13 | 63520ac |
14 | 4029c38 |
15 | 29bea4e |
hex | 1cd26fa |
30222074 has 4 divisors (see below), whose sum is σ = 45333114. Its totient is φ = 15111036.
The previous prime is 30222041. The next prime is 30222109. The reversal of 30222074 is 47022203.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 25351225 + 4870849 = 5035^2 + 2207^2 .
It is a super-2 number, since 2×302220742 = 1826747513722952, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555517 + ... + 7555520.
Almost surely, 230222074 is an apocalyptic number.
30222074 is a deficient number, since it is larger than the sum of its proper divisors (15111040).
30222074 is a wasteful number, since it uses less digits than its factorization.
30222074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15111039.
The product of its (nonzero) digits is 672, while the sum is 20.
The square root of 30222074 is about 5497.4606865352. The cubic root of 30222074 is about 311.4880726668.
Adding to 30222074 its reverse (47022203), we get a palindrome (77244277).
The spelling of 30222074 in words is "thirty million, two hundred twenty-two thousand, seventy-four".
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