Base | Representation |
---|---|
bin | 10001011101101011101001 |
3 | 22121120212111 |
4 | 101131223221 |
5 | 2132444100 |
6 | 242042321 |
7 | 53625004 |
oct | 21355351 |
9 | 8546774 |
10 | 4578025 |
11 | 26475a1 |
12 | 16493a1 |
13 | c439ba |
14 | 87253b |
15 | 6066ba |
hex | 45dae9 |
4578025 has 12 divisors (see below), whose sum is σ = 5719500. Its totient is φ = 3634880.
The previous prime is 4578023. The next prime is 4578029. The reversal of 4578025 is 5208754.
It can be written as a sum of positive squares in 6 ways, for example, as 2704 + 4575321 = 52^2 + 2139^2 .
It is not a de Polignac number, because 4578025 - 21 = 4578023 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4578023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3111 + ... + 4339.
It is an arithmetic number, because the mean of its divisors is an integer number (476625).
Almost surely, 24578025 is an apocalyptic number.
It is an amenable number.
4578025 is a deficient number, since it is larger than the sum of its proper divisors (1141475).
4578025 is a wasteful number, since it uses less digits than its factorization.
4578025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1388 (or 1383 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 31.
The square root of 4578025 is about 2139.6319777008. The cubic root of 4578025 is about 166.0450958915.
The spelling of 4578025 in words is "four million, five hundred seventy-eight thousand, twenty-five".
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