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52065121 = 294143789
BaseRepresentation
bin1100011010011…
…1001101100001
310121222011220211
43012213031201
5101312040441
65055534121
71201355233
oct306471541
9117864824
1052065121
1127431329
121552a341
13aa2c384
146cb4253
154886a81
hex31a7361

52065121 has 8 divisors (see below), whose sum is σ = 55175400. Its totient is φ = 49042560.

The previous prime is 52065119. The next prime is 52065137. The reversal of 52065121 is 12156025.

52065121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4950625 + 47114496 = 2225^2 + 6864^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52065121 - 21 = 52065119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52065092 and 52065101.

It is not an unprimeable number, because it can be changed into a prime (52065191) 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 7 ways as a sum of consecutive naturals, for example, 20706 + ... + 23083.

It is an arithmetic number, because the mean of its divisors is an integer number (6896925).

Almost surely, 252065121 is an apocalyptic number.

It is an amenable number.

52065121 is a deficient number, since it is larger than the sum of its proper divisors (3110279).

52065121 is a wasteful number, since it uses less digits than its factorization.

52065121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43859.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 52065121 is about 7215.6164670803. The cubic root of 52065121 is about 373.4068614920.

The spelling of 52065121 in words is "fifty-two million, sixty-five thousand, one hundred twenty-one".

Divisors: 1 29 41 1189 43789 1269881 1795349 52065121