Base | Representation |
---|---|
bin | 10001010011110… |
… | …00001101110111 |
3 | 101010012201022202 |
4 | 20221320031313 |
5 | 244132232040 |
6 | 22224015115 |
7 | 3412100435 |
oct | 1051701567 |
9 | 333181282 |
10 | 145195895 |
11 | 74a60909 |
12 | 4076149b |
13 | 24109340 |
14 | 153d7d55 |
15 | cb31015 |
hex | 8a78377 |
145195895 has 64 divisors (see below), whose sum is σ = 215550720. Its totient is φ = 92725248.
The previous prime is 145195871. The next prime is 145195903. The reversal of 145195895 is 598591541.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 145195895 - 212 = 145191799 is a prime.
It is a super-3 number, since 3×1451958953 (a number of 25 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 736937 + ... + 737133.
It is an arithmetic number, because the mean of its divisors is an integer number (3367980).
Almost surely, 2145195895 is an apocalyptic number.
145195895 is a deficient number, since it is larger than the sum of its proper divisors (70354825).
145195895 is a wasteful number, since it uses less digits than its factorization.
145195895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 284.
The product of its digits is 324000, while the sum is 47.
The square root of 145195895 is about 12049.7259304932. The cubic root of 145195895 is about 525.5952673602.
The spelling of 145195895 in words is "one hundred forty-five million, one hundred ninety-five thousand, eight hundred ninety-five".
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