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52305131 = 107488833
BaseRepresentation
bin1100011110000…
…1110011101011
310122102101011002
43013201303223
5101342231011
65105025215
71203405044
oct307416353
9118371132
1052305131
112758568a
121562520b
13aab46a8
146d378cb
1548d2c3b
hex31e1ceb

52305131 has 4 divisors (see below), whose sum is σ = 52794072. Its totient is φ = 51816192.

The previous prime is 52305103. The next prime is 52305133. The reversal of 52305131 is 13150325.

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

It is a cyclic number.

It is not a de Polignac number, because 52305131 - 222 = 48110827 is a prime.

It is a super-2 number, since 2×523051312 = 5471653457854322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52305133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244310 + ... + 244523.

It is an arithmetic number, because the mean of its divisors is an integer number (13198518).

Almost surely, 252305131 is an apocalyptic number.

52305131 is a deficient number, since it is larger than the sum of its proper divisors (488941).

52305131 is a wasteful number, since it uses less digits than its factorization.

52305131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488940.

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

The square root of 52305131 is about 7232.2286330010. The cubic root of 52305131 is about 373.9797595498.

Adding to 52305131 its reverse (13150325), we get a palindrome (65455456).

The spelling of 52305131 in words is "fifty-two million, three hundred five thousand, one hundred thirty-one".

Divisors: 1 107 488833 52305131