Base | Representation |
---|---|
bin | 10001010101001… |
… | …00001010011110 |
3 | 101010112212020200 |
4 | 20222210022132 |
5 | 244204012102 |
6 | 22231524330 |
7 | 3413450310 |
oct | 1052441236 |
9 | 333485220 |
10 | 145375902 |
11 | 75074081 |
12 | 408296a6 |
13 | 24170259 |
14 | 154437b0 |
15 | cb6951c |
hex | 8aa429e |
145375902 has 24 divisors (see below), whose sum is σ = 359978736. Its totient is φ = 41535936.
The previous prime is 145375861. The next prime is 145375903. The reversal of 145375902 is 209573541.
145375902 is a `hidden beast` number, since 14 + 53 + 7 + 590 + 2 = 666.
It is a super-2 number, since 2×1453759022 = 42268305764627208, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145375903) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 576763 + ... + 577014.
It is an arithmetic number, because the mean of its divisors is an integer number (14999114).
Almost surely, 2145375902 is an apocalyptic number.
145375902 is an abundant number, since it is smaller than the sum of its proper divisors (214602834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145375902 is a wasteful number, since it uses less digits than its factorization.
145375902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1153792 (or 1153789 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 36.
The square root of 145375902 is about 12057.1929569034. The cubic root of 145375902 is about 525.8123803766.
The spelling of 145375902 in words is "one hundred forty-five million, three hundred seventy-five thousand, nine hundred two".
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