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52311305 = 510462261
BaseRepresentation
bin1100011110001…
…1010100001001
310122102200121202
43013203110021
5101342430210
65105113545
71203432044
oct307432411
9118380552
1052311305
112758a292
12156288b5
13aab7447
146d39c5b
1548d49a5
hex31e3509

52311305 has 4 divisors (see below), whose sum is σ = 62773572. Its totient is φ = 41849040.

The previous prime is 52311283. The next prime is 52311317. The reversal of 52311305 is 50311325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7862416 + 44448889 = 2804^2 + 6667^2 .

It is not a de Polignac number, because 52311305 - 210 = 52310281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5231126 + ... + 5231135.

It is an arithmetic number, because the mean of its divisors is an integer number (15693393).

Almost surely, 252311305 is an apocalyptic number.

It is an amenable number.

52311305 is a deficient number, since it is larger than the sum of its proper divisors (10462267).

52311305 is a wasteful number, since it uses less digits than its factorization.

52311305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10462266.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 52311305 is about 7232.6554597879. The cubic root of 52311305 is about 373.9944735950.

Adding to 52311305 its sum of digits (20), we get a palindrome (52311325).

The spelling of 52311305 in words is "fifty-two million, three hundred eleven thousand, three hundred five".

Divisors: 1 5 10462261 52311305