Base | Representation |
---|---|
bin | 1100101000011… |
… | …1000001110011 |
3 | 10200200202110200 |
4 | 3022013001303 |
5 | 102030410000 |
6 | 5131330243 |
7 | 1212224052 |
oct | 312070163 |
9 | 120622420 |
10 | 52981875 |
11 | 279a8081 |
12 | 158b0983 |
13 | ac9072b |
14 | 7072399 |
15 | 49b8500 |
hex | 3287073 |
52981875 has 30 divisors (see below), whose sum is σ = 95641260. Its totient is φ = 28254000.
The previous prime is 52981853. The next prime is 52981879. The reversal of 52981875 is 57818925.
It is a happy number.
It is not a de Polignac number, because 52981875 - 29 = 52981363 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 52981875.
It is not an unprimeable number, because it can be changed into a prime (52981879) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 916 + ... + 10334.
It is an arithmetic number, because the mean of its divisors is an integer number (3188042).
Almost surely, 252981875 is an apocalyptic number.
52981875 is a deficient number, since it is larger than the sum of its proper divisors (42659385).
52981875 is an equidigital number, since it uses as much as digits as its factorization.
52981875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9445 (or 9427 counting only the distinct ones).
The product of its digits is 201600, while the sum is 45.
The square root of 52981875 is about 7278.8649527244. The cubic root of 52981875 is about 375.5857512449.
The spelling of 52981875 in words is "fifty-two million, nine hundred eighty-one thousand, eight hundred seventy-five".
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