Base | Representation |
---|---|
bin | 1000011111101… |
… | …00101001111000 |
3 | 11222002012210220 |
4 | 10033310221320 |
5 | 121220203241 |
6 | 11023140040 |
7 | 1523446320 |
oct | 417645170 |
9 | 158065726 |
10 | 71256696 |
11 | 3724a235 |
12 | 1ba44620 |
13 | 119bb834 |
14 | 966c280 |
15 | 63c8166 |
hex | 43f4a78 |
71256696 has 32 divisors (see below), whose sum is σ = 203591040. Its totient is φ = 20359008.
The previous prime is 71256671. The next prime is 71256727. The reversal of 71256696 is 69665217.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211906 + ... + 212241.
It is an arithmetic number, because the mean of its divisors is an integer number (6362220).
Almost surely, 271256696 is an apocalyptic number.
It is an amenable number.
71256696 is an abundant number, since it is smaller than the sum of its proper divisors (132334344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71256696 is a wasteful number, since it uses less digits than its factorization.
71256696 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 424163 (or 424159 counting only the distinct ones).
The product of its digits is 136080, while the sum is 42.
The square root of 71256696 is about 8441.3681355572. The cubic root of 71256696 is about 414.5802035492.
The spelling of 71256696 in words is "seventy-one million, two hundred fifty-six thousand, six hundred ninety-six".
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