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52245785 = 5101103457
BaseRepresentation
bin1100011101001…
…1010100011001
310122022100202002
43013103110121
5101333331120
65103450345
71203040034
oct307232431
9118270662
1052245785
1127545039
12155b69b5
13aa93687
146d2001b
1548c0375
hex31d3519

52245785 has 8 divisors (see below), whose sum is σ = 63316296. Its totient is φ = 41382400.

The previous prime is 52245769. The next prime is 52245793. The reversal of 52245785 is 58754225.

52245785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12845056 + 39400729 = 3584^2 + 6277^2 .

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

It is not a de Polignac number, because 52245785 - 24 = 52245769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51224 + ... + 52233.

It is an arithmetic number, because the mean of its divisors is an integer number (7914537).

Almost surely, 252245785 is an apocalyptic number.

It is an amenable number.

52245785 is a deficient number, since it is larger than the sum of its proper divisors (11070511).

52245785 is a wasteful number, since it uses less digits than its factorization.

52245785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103563.

The product of its digits is 112000, while the sum is 38.

The square root of 52245785 is about 7228.1245838737. The cubic root of 52245785 is about 373.8382654515.

The spelling of 52245785 in words is "fifty-two million, two hundred forty-five thousand, seven hundred eighty-five".

Divisors: 1 5 101 505 103457 517285 10449157 52245785