Base | Representation |
---|---|
bin | 1000011001110… |
… | …10111010000001 |
3 | 11220122120011021 |
4 | 10030322322001 |
5 | 121021331443 |
6 | 10554545441 |
7 | 1514130220 |
oct | 414727201 |
9 | 156576137 |
10 | 70495873 |
11 | 3687a658 |
12 | 1b738281 |
13 | 117b3446 |
14 | 9510cb7 |
15 | 62c79ed |
hex | 433ae81 |
70495873 has 4 divisors (see below), whose sum is σ = 80566720. Its totient is φ = 60425028.
The previous prime is 70495861. The next prime is 70495927. The reversal of 70495873 is 37859407.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-70495873 is a prime.
It is a super-2 number, since 2×704958732 = 9939336220064258, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70495813) 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, 5035413 + ... + 5035426.
It is an arithmetic number, because the mean of its divisors is an integer number (20141680).
Almost surely, 270495873 is an apocalyptic number.
It is an amenable number.
70495873 is a deficient number, since it is larger than the sum of its proper divisors (10070847).
70495873 is a wasteful number, since it uses less digits than its factorization.
70495873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10070846.
The product of its (nonzero) digits is 211680, while the sum is 43.
The square root of 70495873 is about 8396.1820490030. The cubic root of 70495873 is about 413.0994001591.
The spelling of 70495873 in words is "seventy million, four hundred ninety-five thousand, eight hundred seventy-three".
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