Base | Representation |
---|---|
bin | 1000011111101… |
… | …11111010100000 |
3 | 11222002220010102 |
4 | 10033313322200 |
5 | 121221120143 |
6 | 11023321532 |
7 | 1523533253 |
oct | 417677240 |
9 | 158086112 |
10 | 71270048 |
11 | 37259273 |
12 | 1ba502a8 |
13 | 119c4935 |
14 | 967309a |
15 | 63cc0b8 |
hex | 43f7ea0 |
71270048 has 24 divisors (see below), whose sum is σ = 143301312. Its totient is φ = 34876096.
The previous prime is 71270047. The next prime is 71270051. The reversal of 71270048 is 84007217.
It is a self number, because there is not a number n which added to its sum of digits gives 71270048.
It is not an unprimeable number, because it can be changed into a prime (71270041) 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, 22190 + ... + 25197.
It is an arithmetic number, because the mean of its divisors is an integer number (5970888).
Almost surely, 271270048 is an apocalyptic number.
It is an amenable number.
71270048 is an abundant number, since it is smaller than the sum of its proper divisors (72031264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71270048 is a wasteful number, since it uses less digits than its factorization.
71270048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47444 (or 47436 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 29.
The square root of 71270048 is about 8442.1589655727. The cubic root of 71270048 is about 414.6060964570.
The spelling of 71270048 in words is "seventy-one million, two hundred seventy thousand, forty-eight".
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