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52467647 = 82163907
BaseRepresentation
bin1100100000100…
…1011110111111
310122201122002012
43020021132333
5101412431042
65112321435
71204652621
oct310113677
9118648065
1052467647
11276867a1
12156a327b
13ab4065b
146d7ac11
154915e82
hex32097bf

52467647 has 4 divisors (see below), whose sum is σ = 52532376. Its totient is φ = 52402920.

The previous prime is 52467631. The next prime is 52467677. The reversal of 52467647 is 74676425.

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 52467647 - 24 = 52467631 is a prime.

It is a super-3 number, since 3×524676473 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52467617) 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, 31133 + ... + 32774.

It is an arithmetic number, because the mean of its divisors is an integer number (13133094).

Almost surely, 252467647 is an apocalyptic number.

52467647 is a deficient number, since it is larger than the sum of its proper divisors (64729).

52467647 is an equidigital number, since it uses as much as digits as its factorization.

52467647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64728.

The product of its digits is 282240, while the sum is 41.

The square root of 52467647 is about 7243.4554599307. The cubic root of 52467647 is about 374.3666868926.

The spelling of 52467647 in words is "fifty-two million, four hundred sixty-seven thousand, six hundred forty-seven".

Divisors: 1 821 63907 52467647