Base | Representation |
---|---|
bin | 10001110011111… |
… | …00011000100111 |
3 | 101102010200020122 |
4 | 20321330120213 |
5 | 301222013041 |
6 | 22454152155 |
7 | 3462640466 |
oct | 1071743047 |
9 | 342120218 |
10 | 149407271 |
11 | 77377992 |
12 | 4205265b |
13 | 24c52190 |
14 | 15bb29dd |
15 | d1b3c4b |
hex | 8e7c627 |
149407271 has 8 divisors (see below), whose sum is σ = 170365104. Its totient is φ = 129801600.
The previous prime is 149407261. The next prime is 149407277. The reversal of 149407271 is 172704941.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-149407271 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (149407277) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337805 + ... + 338246.
It is an arithmetic number, because the mean of its divisors is an integer number (21295638).
Almost surely, 2149407271 is an apocalyptic number.
149407271 is a deficient number, since it is larger than the sum of its proper divisors (20957833).
149407271 is a wasteful number, since it uses less digits than its factorization.
149407271 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 676081.
The product of its (nonzero) digits is 14112, while the sum is 35.
The square root of 149407271 is about 12223.2267016529. The cubic root of 149407271 is about 530.6285067861.
The spelling of 149407271 in words is "one hundred forty-nine million, four hundred seven thousand, two hundred seventy-one".
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