Base | Representation |
---|---|
bin | 1101000111110101… |
… | …00010110001100010 |
3 | 200011222102002120200 |
4 | 12203322202301202 |
5 | 103412010002130 |
6 | 3123022450030 |
7 | 336403341306 |
oct | 64372426142 |
9 | 20158362520 |
10 | 7045000290 |
11 | 2a9579aa99 |
12 | 1447433916 |
13 | 883730733 |
14 | 4ab911d06 |
15 | 2b3757760 |
hex | 1a3ea2c62 |
7045000290 has 48 divisors (see below), whose sum is σ = 18322020288. Its totient is φ = 1878151968.
The previous prime is 7045000289. The next prime is 7045000307. The reversal of 7045000290 is 920005407.
7045000290 is a `hidden beast` number, since 70 + 4 + 500 + 0 + 2 + 90 = 666.
It is a super-2 number, since 2×70450002902 = 99264058172200168200, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411277 + ... + 428063.
It is an arithmetic number, because the mean of its divisors is an integer number (381708756).
Almost surely, 27045000290 is an apocalyptic number.
It is a pronic number, being equal to 83934×83935.
7045000290 is an abundant number, since it is smaller than the sum of its proper divisors (11277019998).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7045000290 is a wasteful number, since it uses less digits than its factorization.
7045000290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21463 (or 21460 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 27.
The square root of 7045000290 is about 83934.4999985107. The cubic root of 7045000290 is about 1917.0215946947.
Adding to 7045000290 its reverse (920005407), we get a palindrome (7965005697).
The spelling of 7045000290 in words is "seven billion, forty-five million, two hundred ninety", and thus it is an aban number.
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