Base | Representation |
---|---|
bin | 1000010111010… |
… | …00111110011111 |
3 | 11220000111211011 |
4 | 10023220332133 |
5 | 120430112122 |
6 | 10543440051 |
7 | 1511231641 |
oct | 413507637 |
9 | 156014734 |
10 | 70160287 |
11 | 3667050a |
12 | 1b5b6027 |
13 | 116c6782 |
14 | 9464891 |
15 | 625d377 |
hex | 42e8f9f |
70160287 has 4 divisors (see below), whose sum is σ = 71484120. Its totient is φ = 68836456.
The previous prime is 70160239. The next prime is 70160297. The reversal of 70160287 is 78206107.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 70160287 - 27 = 70160159 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70160297) 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, 661837 + ... + 661942.
It is an arithmetic number, because the mean of its divisors is an integer number (17871030).
Almost surely, 270160287 is an apocalyptic number.
70160287 is a deficient number, since it is larger than the sum of its proper divisors (1323833).
70160287 is a wasteful number, since it uses less digits than its factorization.
70160287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1323832.
The product of its (nonzero) digits is 4704, while the sum is 31.
The square root of 70160287 is about 8376.1737684936. The cubic root of 70160287 is about 412.4428561185.
The spelling of 70160287 in words is "seventy million, one hundred sixty thousand, two hundred eighty-seven".
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