Base | Representation |
---|---|
bin | 1010001000000… |
… | …1011011101101 |
3 | 2221220212021101 |
4 | 2202001123231 |
5 | 41333120242 |
6 | 4114203101 |
7 | 1024005364 |
oct | 242013355 |
9 | 87825241 |
10 | 42473197 |
11 | 21a7a818 |
12 | 12283491 |
13 | 8a51490 |
14 | 58d87db |
15 | 3ade9b7 |
hex | 28816ed |
42473197 has 16 divisors (see below), whose sum is σ = 47784240. Its totient is φ = 37481472.
The previous prime is 42473177. The next prime is 42473201. The reversal of 42473197 is 79137424.
It can be written as a sum of positive squares in 8 ways, for example, as 3896676 + 38576521 = 1974^2 + 6211^2 .
It is a cyclic number.
It is not a de Polignac number, because 42473197 - 219 = 41948909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42473107) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42103 + ... + 43099.
It is an arithmetic number, because the mean of its divisors is an integer number (2986515).
Almost surely, 242473197 is an apocalyptic number.
It is an amenable number.
42473197 is a deficient number, since it is larger than the sum of its proper divisors (5311043).
42473197 is a wasteful number, since it uses less digits than its factorization.
42473197 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1152.
The product of its digits is 42336, while the sum is 37.
The square root of 42473197 is about 6517.1463847301. The cubic root of 42473197 is about 348.9032251935.
The spelling of 42473197 in words is "forty-two million, four hundred seventy-three thousand, one hundred ninety-seven".
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