Base | Representation |
---|---|
bin | 1000011011100… |
… | …11000010101000 |
3 | 11221002020120002 |
4 | 10031303002220 |
5 | 121101211200 |
6 | 11003522132 |
7 | 1516105445 |
oct | 415630250 |
9 | 157066502 |
10 | 70725800 |
11 | 36a17382 |
12 | 1b829348 |
13 | 11863cb2 |
14 | 95709cc |
15 | 6320bd5 |
hex | 43730a8 |
70725800 has 24 divisors (see below), whose sum is σ = 164437950. Its totient is φ = 28290240.
The previous prime is 70725761. The next prime is 70725817. The reversal of 70725800 is 852707.
It can be written as a sum of positive squares in 3 ways, for example, as 39967684 + 30758116 = 6322^2 + 5546^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 176615 + ... + 177014.
Almost surely, 270725800 is an apocalyptic number.
It is an amenable number.
70725800 is an abundant number, since it is smaller than the sum of its proper divisors (93712150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70725800 is a wasteful number, since it uses less digits than its factorization.
70725800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 353645 (or 353636 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 29.
The square root of 70725800 is about 8409.8632569145. The cubic root of 70725800 is about 413.5480298651.
The spelling of 70725800 in words is "seventy million, seven hundred twenty-five thousand, eight hundred".
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