Base | Representation |
---|---|
bin | 10000001110000… |
… | …000011111011001 |
3 | 200222000111021212 |
4 | 100032000133121 |
5 | 1024124414411 |
6 | 43000112505 |
7 | 6512606162 |
oct | 2016003731 |
9 | 628014255 |
10 | 272107481 |
11 | 12a663418 |
12 | 77165735 |
13 | 444b3159 |
14 | 281d2769 |
15 | 18d4e68b |
hex | 103807d9 |
272107481 has 4 divisors (see below), whose sum is σ = 272296464. Its totient is φ = 271918500.
The previous prime is 272107477. The next prime is 272107523. The reversal of 272107481 is 184701272.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 272107481 - 22 = 272107477 is a prime.
It is a super-2 number, since 2×2721074812 = 148084962432330722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (272107421) 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, 92315 + ... + 95216.
It is an arithmetic number, because the mean of its divisors is an integer number (68074116).
Almost surely, 2272107481 is an apocalyptic number.
It is an amenable number.
272107481 is a deficient number, since it is larger than the sum of its proper divisors (188983).
272107481 is a wasteful number, since it uses less digits than its factorization.
272107481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188982.
The product of its (nonzero) digits is 6272, while the sum is 32.
The square root of 272107481 is about 16495.6806770742. The cubic root of 272107481 is about 648.0076913493.
The spelling of 272107481 in words is "two hundred seventy-two million, one hundred seven thousand, four hundred eighty-one".
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