Base | Representation |
---|---|
bin | 10000001101110… |
… | …111100011101011 |
3 | 200221221122002200 |
4 | 100031313203223 |
5 | 1024122232031 |
6 | 42555231243 |
7 | 6512364411 |
oct | 2015674353 |
9 | 627848080 |
10 | 272070891 |
11 | 12a638984 |
12 | 77148523 |
13 | 4449c5c1 |
14 | 281c32b1 |
15 | 18d438e6 |
hex | 103778eb |
272070891 has 12 divisors (see below), whose sum is σ = 396470568. Its totient is φ = 179774784.
The previous prime is 272070803. The next prime is 272070893. The reversal of 272070891 is 198070272.
It is not a de Polignac number, because 272070891 - 210 = 272069867 is a prime.
It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (272070893) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132745 + ... + 134778.
It is an arithmetic number, because the mean of its divisors is an integer number (33039214).
Almost surely, 2272070891 is an apocalyptic number.
272070891 is a deficient number, since it is larger than the sum of its proper divisors (124399677).
272070891 is a wasteful number, since it uses less digits than its factorization.
272070891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267642 (or 267639 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The square root of 272070891 is about 16494.5715615775. The cubic root of 272070891 is about 647.9786444151.
The spelling of 272070891 in words is "two hundred seventy-two million, seventy thousand, eight hundred ninety-one".
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