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52419685 = 510483937
BaseRepresentation
bin1100011111110…
…1110001100101
310122122012021211
43013331301211
5101404412220
65111311421
71204363033
oct307756145
9118565254
1052419685
112765375a
121567b571
13ab24886
146d67553
154906b5a
hex31fdc65

52419685 has 4 divisors (see below), whose sum is σ = 62903628. Its totient is φ = 41935744.

The previous prime is 52419677. The next prime is 52419701. The reversal of 52419685 is 58691425.

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 6640929 + 45778756 = 2577^2 + 6766^2 .

It is a cyclic number.

It is not a de Polignac number, because 52419685 - 23 = 52419677 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5241964 + ... + 5241973.

It is an arithmetic number, because the mean of its divisors is an integer number (15725907).

Almost surely, 252419685 is an apocalyptic number.

It is an amenable number.

52419685 is a deficient number, since it is larger than the sum of its proper divisors (10483943).

52419685 is a wasteful number, since it uses less digits than its factorization.

52419685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483942.

The product of its digits is 86400, while the sum is 40.

The square root of 52419685 is about 7240.1439902809. The cubic root of 52419685 is about 374.2525794379.

The spelling of 52419685 in words is "fifty-two million, four hundred nineteen thousand, six hundred eighty-five".

Divisors: 1 5 10483937 52419685