Base | Representation |
---|---|
bin | 100110011010… |
… | …100000000100 |
3 | 200221121110201 |
4 | 212122200010 |
5 | 10034220040 |
6 | 555500244 |
7 | 151410442 |
oct | 46324004 |
9 | 20847421 |
10 | 10070020 |
11 | 5758834 |
12 | 3457684 |
13 | 21176bc |
14 | 14a1b92 |
15 | d3da9a |
hex | 99a804 |
10070020 has 12 divisors (see below), whose sum is σ = 21147084. Its totient is φ = 4028000.
The previous prime is 10069999. The next prime is 10070029. The reversal of 10070020 is 2007001.
It can be written as a sum of positive squares in 2 ways, for example, as 6677056 + 3392964 = 2584^2 + 1842^2 .
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 10069979 and 10070006.
It is not an unprimeable number, because it can be changed into a prime (10070029) 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, 251731 + ... + 251770.
It is an arithmetic number, because the mean of its divisors is an integer number (1762257).
Almost surely, 210070020 is an apocalyptic number.
10070020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10070020 is an abundant number, since it is smaller than the sum of its proper divisors (11077064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10070020 is a wasteful number, since it uses less digits than its factorization.
10070020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503510 (or 503508 counting only the distinct ones).
The product of its (nonzero) digits is 14, while the sum is 10.
The square root of 10070020 is about 3173.3294817904. The cubic root of 10070020 is about 215.9451449637.
Adding to 10070020 its reverse (2007001), we get a palindrome (12077021).
The spelling of 10070020 in words is "ten million, seventy thousand, twenty".
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