Base | Representation |
---|---|
bin | 10000110110110… |
… | …00111110010001 |
3 | 100212001202110110 |
4 | 20123120332101 |
5 | 242144213110 |
6 | 22010351533 |
7 | 3334601535 |
oct | 1033307621 |
9 | 325052413 |
10 | 141397905 |
11 | 728a7380 |
12 | 3b42b5a9 |
13 | 233a96cc |
14 | 14ac9bc5 |
15 | c630a20 |
hex | 86d8f91 |
141397905 has 128 divisors (see below), whose sum is σ = 283668480. Its totient is φ = 59304960.
The previous prime is 141397903. The next prime is 141397909. The reversal of 141397905 is 509793141.
It is a happy number.
141397905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 141397905 - 21 = 141397903 is a prime.
It is not an unprimeable number, because it can be changed into a prime (141397903) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2667859 + ... + 2667911.
It is an arithmetic number, because the mean of its divisors is an integer number (2216160).
Almost surely, 2141397905 is an apocalyptic number.
141397905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
141397905 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
141397905 is a wasteful number, since it uses less digits than its factorization.
141397905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151.
The product of its (nonzero) digits is 34020, while the sum is 39.
The square root of 141397905 is about 11891.0851060784. The cubic root of 141397905 is about 520.9719310011.
The spelling of 141397905 in words is "one hundred forty-one million, three hundred ninety-seven thousand, nine hundred five".
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