Base | Representation |
---|---|
bin | 10001010010101… |
… | …01010010100000 |
3 | 101002221110002010 |
4 | 20221111102200 |
5 | 244113142312 |
6 | 22220552520 |
7 | 3410633361 |
oct | 1051252240 |
9 | 332843063 |
10 | 145052832 |
11 | 74973381 |
12 | 406b2740 |
13 | 240891a2 |
14 | 1539bb68 |
15 | cb0393c |
hex | 8a554a0 |
145052832 has 24 divisors (see below), whose sum is σ = 380763936. Its totient is φ = 48350912.
The previous prime is 145052779. The next prime is 145052833. The reversal of 145052832 is 238250541.
It is a tau number, because it is divible by the number of its divisors (24).
It is a self number, because there is not a number n which added to its sum of digits gives 145052832.
It is not an unprimeable number, because it can be changed into a prime (145052833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755388 + ... + 755579.
It is an arithmetic number, because the mean of its divisors is an integer number (15865164).
Almost surely, 2145052832 is an apocalyptic number.
145052832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145052832 is an abundant number, since it is smaller than the sum of its proper divisors (235711104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145052832 is a wasteful number, since it uses less digits than its factorization.
145052832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1510980 (or 1510972 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 30.
The square root of 145052832 is about 12043.7881083985. The cubic root of 145052832 is about 525.4225858358.
The spelling of 145052832 in words is "one hundred forty-five million, fifty-two thousand, eight hundred thirty-two".
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