Base | Representation |
---|---|
bin | 1000011100101… |
… | …10100011100110 |
3 | 11221100122002212 |
4 | 10032112203212 |
5 | 121120340040 |
6 | 11011003422 |
7 | 1520252531 |
oct | 416264346 |
9 | 157318085 |
10 | 70871270 |
11 | 370066a8 |
12 | 1b899572 |
13 | 118b5282 |
14 | 95aba18 |
15 | 634dd65 |
hex | 43968e6 |
70871270 has 16 divisors (see below), whose sum is σ = 131683968. Its totient is φ = 27433920.
The previous prime is 70871261. The next prime is 70871287. The reversal of 70871270 is 7217807.
It is a super-2 number, since 2×708712702 = 10045473822825800, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113999 + ... + 114618.
It is an arithmetic number, because the mean of its divisors is an integer number (8230248).
Almost surely, 270871270 is an apocalyptic number.
70871270 is a deficient number, since it is larger than the sum of its proper divisors (60812698).
70871270 is a wasteful number, since it uses less digits than its factorization.
70871270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228655.
The product of its (nonzero) digits is 5488, while the sum is 32.
The square root of 70871270 is about 8418.5075874528. The cubic root of 70871270 is about 413.8313665152.
The spelling of 70871270 in words is "seventy million, eight hundred seventy-one thousand, two hundred seventy".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •