Base | Representation |
---|---|
bin | 10001010100100… |
… | …00100111111111 |
3 | 101010101210110120 |
4 | 20222100213333 |
5 | 244143431441 |
6 | 22230110023 |
7 | 3412665060 |
oct | 1052204777 |
9 | 333353416 |
10 | 145295871 |
11 | 75019a36 |
12 | 407ab313 |
13 | 241429b6 |
14 | 15422567 |
15 | cb50966 |
hex | 8a909ff |
145295871 has 8 divisors (see below), whose sum is σ = 221403264. Its totient is φ = 83026200.
The previous prime is 145295867. The next prime is 145295881. The reversal of 145295871 is 178592541.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 145295871 - 22 = 145295867 is a prime.
It is a super-2 number, since 2×1452958712 = 42221780259297282, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145295851) 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, 3459405 + ... + 3459446.
It is an arithmetic number, because the mean of its divisors is an integer number (27675408).
Almost surely, 2145295871 is an apocalyptic number.
145295871 is a deficient number, since it is larger than the sum of its proper divisors (76107393).
145295871 is an equidigital number, since it uses as much as digits as its factorization.
145295871 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6918861.
The product of its digits is 100800, while the sum is 42.
The square root of 145295871 is about 12053.8736927180. The cubic root of 145295871 is about 525.7158742054.
It can be divided in two parts, 14 and 5295871, that added together give a triangular number (5295885 = T3254).
The spelling of 145295871 in words is "one hundred forty-five million, two hundred ninety-five thousand, eight hundred seventy-one".
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