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52411265 = 5291811997
BaseRepresentation
bin1100011111101…
…1101110000001
310122121202201222
43013323232001
5101404130030
65111204425
71204326344
oct307735601
9118552658
1052411265
11276483a5
1215676715
13ab20aaa
146d6445b
1549043e5
hex31fbb81

52411265 has 16 divisors (see below), whose sum is σ = 65454480. Its totient is φ = 40239360.

The previous prime is 52411237. The next prime is 52411267. The reversal of 52411265 is 56211425.

It can be written as a sum of positive squares in 8 ways, for example, as 22391824 + 30019441 = 4732^2 + 5479^2 .

It is not a de Polignac number, because 52411265 - 212 = 52407169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52411267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25247 + ... + 27243.

It is an arithmetic number, because the mean of its divisors is an integer number (4090905).

Almost surely, 252411265 is an apocalyptic number.

It is an amenable number.

52411265 is a deficient number, since it is larger than the sum of its proper divisors (13043215).

52411265 is a wasteful number, since it uses less digits than its factorization.

52411265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212.

The product of its digits is 2400, while the sum is 26.

The square root of 52411265 is about 7239.5624867805. The cubic root of 52411265 is about 374.2325400484.

The spelling of 52411265 in words is "fifty-two million, four hundred eleven thousand, two hundred sixty-five".

Divisors: 1 5 29 145 181 905 1997 5249 9985 26245 57913 289565 361457 1807285 10482253 52411265