Base | Representation |
---|---|
bin | 11010111000011… |
… | …101111001011110 |
3 | 1011102122200121100 |
4 | 122320131321132 |
5 | 1410424311032 |
6 | 112430413530 |
7 | 14114344242 |
oct | 3270357136 |
9 | 1142580540 |
10 | 451010142 |
11 | 211646660 |
12 | 1070612a6 |
13 | 7259170b |
14 | 43c82422 |
15 | 298dc97c |
hex | 1ae1de5e |
451010142 has 48 divisors (see below), whose sum is σ = 1067489280. Its totient is φ = 136482000.
The previous prime is 451010129. The next prime is 451010177. The reversal of 451010142 is 241010154.
451010142 is a `hidden beast` number, since 4 + 510 + 10 + 142 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226909 + ... + 228887.
It is an arithmetic number, because the mean of its divisors is an integer number (22239360).
Almost surely, 2451010142 is an apocalyptic number.
451010142 is an abundant number, since it is smaller than the sum of its proper divisors (616479138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
451010142 is a wasteful number, since it uses less digits than its factorization.
451010142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3149 (or 3146 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 451010142 is about 21236.9993643170. Note that the first 3 decimals coincide. The cubic root of 451010142 is about 766.8823974713.
Adding to 451010142 its reverse (241010154), we get a palindrome (692020296).
The spelling of 451010142 in words is "four hundred fifty-one million, ten thousand, one hundred forty-two".
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