Base | Representation |
---|---|
bin | 1111010101101011011001 |
3 | 21120021201012 |
4 | 33111223121 |
5 | 2012132303 |
6 | 222103305 |
7 | 46114616 |
oct | 17255331 |
9 | 7507635 |
10 | 4020953 |
11 | 22a7002 |
12 | 141ab35 |
13 | aaa281 |
14 | 76950d |
15 | 5465d8 |
hex | 3d5ad9 |
4020953 has 4 divisors (see below), whose sum is σ = 4058640. Its totient is φ = 3983268.
The previous prime is 4020949. The next prime is 4020977. The reversal of 4020953 is 3590204.
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 4020953 - 22 = 4020949 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (4020923) 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, 18683 + ... + 18896.
It is an arithmetic number, because the mean of its divisors is an integer number (1014660).
Almost surely, 24020953 is an apocalyptic number.
It is an amenable number.
4020953 is a deficient number, since it is larger than the sum of its proper divisors (37687).
4020953 is a wasteful number, since it uses less digits than its factorization.
4020953 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37686.
The product of its (nonzero) digits is 1080, while the sum is 23.
The square root of 4020953 is about 2005.2314080923. The cubic root of 4020953 is about 159.0167960844.
The spelling of 4020953 in words is "four million, twenty thousand, nine hundred fifty-three".
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