Base | Representation |
---|---|
bin | 1010000010010… |
… | …1100110001001 |
3 | 2221012202021101 |
4 | 2200211212021 |
5 | 41234101113 |
6 | 4102141401 |
7 | 1020550606 |
oct | 240454611 |
9 | 87182241 |
10 | 42097033 |
11 | 21843140 |
12 | 12121861 |
13 | 894c1b4 |
14 | 583b6ad |
15 | 3a682dd |
hex | 2825989 |
42097033 has 4 divisors (see below), whose sum is σ = 45924048. Its totient is φ = 38270020.
The previous prime is 42097021. The next prime is 42097087. The reversal of 42097033 is 33079024.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 42097033 - 225 = 8542601 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42096992 and 42097010.
It is not an unprimeable number, because it can be changed into a prime (42097093) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913491 + ... + 1913512.
It is an arithmetic number, because the mean of its divisors is an integer number (11481012).
Almost surely, 242097033 is an apocalyptic number.
It is an amenable number.
42097033 is a deficient number, since it is larger than the sum of its proper divisors (3827015).
42097033 is a wasteful number, since it uses less digits than its factorization.
42097033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3827014.
The product of its (nonzero) digits is 4536, while the sum is 28.
The square root of 42097033 is about 6488.2226379803. Note that the first 3 decimals coincide. The cubic root of 42097033 is about 347.8701485194.
Subtracting from 42097033 its reverse (33079024), we obtain a square (9018009 = 30032).
The spelling of 42097033 in words is "forty-two million, ninety-seven thousand, thirty-three".
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