Base | Representation |
---|---|
bin | 111001101001… |
… | …0001011111110 |
3 | 2002212101111022 |
4 | 1303102023332 |
5 | 30214033204 |
6 | 2555424142 |
7 | 514606013 |
oct | 163221376 |
9 | 62771438 |
10 | 30221054 |
11 | 16071586 |
12 | a155052 |
13 | 63517a6 |
14 | 402970a |
15 | 29be5be |
hex | 1cd22fe |
30221054 has 4 divisors (see below), whose sum is σ = 45331584. Its totient is φ = 15110526.
The previous prime is 30221041. The next prime is 30221069. The reversal of 30221054 is 45012203.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7555262 + ... + 7555265.
It is an arithmetic number, because the mean of its divisors is an integer number (11332896).
Almost surely, 230221054 is an apocalyptic number.
30221054 is a deficient number, since it is larger than the sum of its proper divisors (15110530).
30221054 is a wasteful number, since it uses less digits than its factorization.
30221054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15110529.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 30221054 is about 5497.3679156484. The cubic root of 30221054 is about 311.4845683693.
Adding to 30221054 its reverse (45012203), we get a palindrome (75233257).
The spelling of 30221054 in words is "thirty million, two hundred twenty-one thousand, fifty-four".
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