Base | Representation |
---|---|
bin | 11001101101010… |
… | …101100011000110 |
3 | 1010001121002010220 |
4 | 121231111203012 |
5 | 1340404041032 |
6 | 110444325210 |
7 | 13455055356 |
oct | 3155254306 |
9 | 1101532126 |
10 | 431315142 |
11 | 2015144a5 |
12 | 100543806 |
13 | 6b48707b |
14 | 413d6b66 |
15 | 27cec12c |
hex | 19b558c6 |
431315142 has 32 divisors (see below), whose sum is σ = 892767744. Its totient is φ = 138808800.
The previous prime is 431315117. The next prime is 431315153. The reversal of 431315142 is 241513134.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21667 + ... + 36497.
It is an arithmetic number, because the mean of its divisors is an integer number (27898992).
Almost surely, 2431315142 is an apocalyptic number.
431315142 is an abundant number, since it is smaller than the sum of its proper divisors (461452602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
431315142 is a wasteful number, since it uses less digits than its factorization.
431315142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15004.
The product of its digits is 1440, while the sum is 24.
The square root of 431315142 is about 20768.1280331184. The cubic root of 431315142 is about 755.5529431843.
Adding to 431315142 its reverse (241513134), we get a palindrome (672828276).
The spelling of 431315142 in words is "four hundred thirty-one million, three hundred fifteen thousand, one hundred forty-two".
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