Base | Representation |
---|---|
bin | 111010000000… |
… | …0110100001010 |
3 | 2010020002110221 |
4 | 1310000310022 |
5 | 30241141132 |
6 | 3003500254 |
7 | 516332563 |
oct | 164006412 |
9 | 63202427 |
10 | 30412042 |
11 | 16192021 |
12 | a22768a |
13 | 63ba6bb |
14 | 407916a |
15 | 2a0ae97 |
hex | 1d00d0a |
30412042 has 4 divisors (see below), whose sum is σ = 45618066. Its totient is φ = 15206020.
The previous prime is 30412007. The next prime is 30412073. The reversal of 30412042 is 24021403.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24021403 = 7 ⋅3431629.
It can be written as a sum of positive squares in only one way, i.e., 22953681 + 7458361 = 4791^2 + 2731^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7603009 + ... + 7603012.
Almost surely, 230412042 is an apocalyptic number.
30412042 is a deficient number, since it is larger than the sum of its proper divisors (15206024).
30412042 is a wasteful number, since it uses less digits than its factorization.
30412042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15206023.
The product of its (nonzero) digits is 192, while the sum is 16.
The square root of 30412042 is about 5514.7114158404. The cubic root of 30412042 is about 312.1393539770.
Adding to 30412042 its reverse (24021403), we get a palindrome (54433445).
The spelling of 30412042 in words is "thirty million, four hundred twelve thousand, forty-two".
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