Base | Representation |
---|---|
bin | 10001010010100… |
… | …11100101100100 |
3 | 101002221002111220 |
4 | 20221103211210 |
5 | 244112431420 |
6 | 22220500340 |
7 | 3410604141 |
oct | 1051234544 |
9 | 332832456 |
10 | 145045860 |
11 | 74969113 |
12 | 406aa6b0 |
13 | 24085c6b |
14 | 153993c8 |
15 | cb01840 |
hex | 8a53964 |
145045860 has 24 divisors (see below), whose sum is σ = 406128576. Its totient is φ = 38678880.
The previous prime is 145045847. The next prime is 145045877. The reversal of 145045860 is 68540541.
145045860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208656 + ... + 1208775.
It is an arithmetic number, because the mean of its divisors is an integer number (16922024).
Almost surely, 2145045860 is an apocalyptic number.
145045860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145045860 is an abundant number, since it is smaller than the sum of its proper divisors (261082716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145045860 is a wasteful number, since it uses less digits than its factorization.
145045860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2417443 (or 2417441 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 145045860 is about 12043.4986611034. The cubic root of 145045860 is about 525.4141675123.
The spelling of 145045860 in words is "one hundred forty-five million, forty-five thousand, eight hundred sixty".
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