Base | Representation |
---|---|
bin | 111110001000100… |
… | …001000110101110 |
3 | 2200122111102121102 |
4 | 332020201012232 |
5 | 4113324421032 |
6 | 251234403102 |
7 | 34555265531 |
oct | 7610410656 |
9 | 2618442542 |
10 | 1042420142 |
11 | 495467755 |
12 | 251130492 |
13 | 137c7046a |
14 | 9c630a18 |
15 | 617b0362 |
hex | 3e2211ae |
1042420142 has 16 divisors (see below), whose sum is σ = 1673827200. Its totient is φ = 485407800.
The previous prime is 1042420117. The next prime is 1042420153. The reversal of 1042420142 is 2410242401.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230234 + ... + 234717.
It is an arithmetic number, because the mean of its divisors is an integer number (104614200).
Almost surely, 21042420142 is an apocalyptic number.
1042420142 is a deficient number, since it is larger than the sum of its proper divisors (631407058).
1042420142 is a wasteful number, since it uses less digits than its factorization.
1042420142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 465031.
The product of its (nonzero) digits is 512, while the sum is 20.
The square root of 1042420142 is about 32286.5318979911. The cubic root of 1042420142 is about 1013.9446891104.
Adding to 1042420142 its reverse (2410242401), we get a palindrome (3452662543).
The spelling of 1042420142 in words is "one billion, forty-two million, four hundred twenty thousand, one hundred forty-two".
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