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52430065 = 567315581
BaseRepresentation
bin1100100000000…
…0010011110001
310122122201112021
43020000103301
5101410230230
65111431441
71204435222
oct310002361
9118581467
1052430065
1127660536
1215685581
13ab2950c
146d6b249
154909c7a
hex32004f1

52430065 has 8 divisors (see below), whose sum is σ = 63013608. Its totient is φ = 41879040.

The previous prime is 52430033. The next prime is 52430111. The reversal of 52430065 is 56003425.

It can be written as a sum of positive squares in 4 ways, for example, as 935089 + 51494976 = 967^2 + 7176^2 .

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

It is not a de Polignac number, because 52430065 - 25 = 52430033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426 + ... + 11155.

It is an arithmetic number, because the mean of its divisors is an integer number (7876701).

Almost surely, 252430065 is an apocalyptic number.

It is an amenable number.

52430065 is a deficient number, since it is larger than the sum of its proper divisors (10583543).

52430065 is a wasteful number, since it uses less digits than its factorization.

52430065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16259.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 52430065 is about 7240.8607913700. The cubic root of 52430065 is about 374.2772806253.

The spelling of 52430065 in words is "fifty-two million, four hundred thirty thousand, sixty-five".

Divisors: 1 5 673 3365 15581 77905 10486013 52430065