Base | Representation |
---|---|
bin | 11111000001110101010010 |
3 | 120022020201011 |
4 | 133001311102 |
5 | 4040241340 |
6 | 450201134 |
7 | 126065125 |
oct | 37016522 |
9 | 16266634 |
10 | 8133970 |
11 | 4656199 |
12 | 28831aa |
13 | 18ba400 |
14 | 111a3bc |
15 | aaa0ea |
hex | 7c1d52 |
8133970 has 24 divisors (see below), whose sum is σ = 15857316. Its totient is φ = 3002688.
The previous prime is 8133967. The next prime is 8133971. The reversal of 8133970 is 793318.
It can be written as a sum of positive squares in 6 ways, for example, as 1565001 + 6568969 = 1251^2 + 2563^2 .
It is a super-2 number, since 2×81339702 = 132322935921800, which contains 22 as substring.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (8133971) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717 + ... + 4096.
Almost surely, 28133970 is an apocalyptic number.
8133970 is a deficient number, since it is larger than the sum of its proper divisors (7723346).
8133970 is a wasteful number, since it uses less digits than its factorization.
8133970 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4846 (or 4833 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 31.
The square root of 8133970 is about 2852.0115708040. The cubic root of 8133970 is about 201.1102420750.
The spelling of 8133970 in words is "eight million, one hundred thirty-three thousand, nine hundred seventy".
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