Base | Representation |
---|---|
bin | 1000010110000… |
… | …10000010100000 |
3 | 11212201102001020 |
4 | 10023002002200 |
5 | 120410011200 |
6 | 10540205440 |
7 | 1506665652 |
oct | 413020240 |
9 | 155642036 |
10 | 70000800 |
11 | 36571701 |
12 | 1b539880 |
13 | 1166bcbc |
14 | 94226d2 |
15 | 622aea0 |
hex | 42c20a0 |
70000800 has 72 divisors (see below), whose sum is σ = 227860416. Its totient is φ = 18666240.
The previous prime is 70000783. The next prime is 70000811. The reversal of 70000800 is 800007.
It is a super-2 number, since 2×700008002 = 9800224001280000, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 70000800.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12184 + ... + 16983.
It is an arithmetic number, because the mean of its divisors is an integer number (3164728).
Almost surely, 270000800 is an apocalyptic number.
It is an amenable number.
70000800 is an abundant number, since it is smaller than the sum of its proper divisors (157859616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70000800 is a wasteful number, since it uses less digits than its factorization.
70000800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29190 (or 29177 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 70000800 is about 8366.6480743485. The cubic root of 70000800 is about 412.1300999883.
Adding to 70000800 its reverse (800007), we get a palindrome (70800807).
The spelling of 70000800 in words is "seventy million, eight hundred", and thus it is an aban number.
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