Base | Representation |
---|---|
bin | 11000000101101… |
… | …01111111000101 |
3 | 112002020022200100 |
4 | 30002311333011 |
5 | 403212301010 |
6 | 32015034313 |
7 | 5002404132 |
oct | 1402657705 |
9 | 462208610 |
10 | 202072005 |
11 | a4078763 |
12 | 5780b999 |
13 | 32b31445 |
14 | 1cba1589 |
15 | 12b182c0 |
hex | c0b5fc5 |
202072005 has 24 divisors (see below), whose sum is σ = 351423072. Its totient is φ = 107413344.
The previous prime is 202071983. The next prime is 202072009. The reversal of 202072005 is 500270202.
It is a happy number.
It is not a de Polignac number, because 202072005 - 211 = 202069957 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202072009) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6502 + ... + 21128.
It is an arithmetic number, because the mean of its divisors is an integer number (14642628).
Almost surely, 2202072005 is an apocalyptic number.
It is an amenable number.
202072005 is a deficient number, since it is larger than the sum of its proper divisors (149351067).
202072005 is a wasteful number, since it uses less digits than its factorization.
202072005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14945 (or 14942 counting only the distinct ones).
The product of its (nonzero) digits is 280, while the sum is 18.
The square root of 202072005 is about 14215.2033049127. The cubic root of 202072005 is about 586.8161398505.
The spelling of 202072005 in words is "two hundred two million, seventy-two thousand, five".
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