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52609785 = 353739403
BaseRepresentation
bin1100100010110…
…0001011111001
310122222212001120
43020230023321
5101432003120
65115335453
71206114204
oct310541371
9118885046
1052609785
1127773568
1215751589
13ab90267
146db693b
154943140
hex322c2f9

52609785 has 16 divisors (see below), whose sum is σ = 84410304. Its totient is φ = 27980352.

The previous prime is 52609757. The next prime is 52609787. The reversal of 52609785 is 58790625.

52609785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52609785 - 26 = 52609721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52609787) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 894 + ... + 10296.

It is an arithmetic number, because the mean of its divisors is an integer number (5275644).

Almost surely, 252609785 is an apocalyptic number.

It is an amenable number.

52609785 is a deficient number, since it is larger than the sum of its proper divisors (31800519).

52609785 is a wasteful number, since it uses less digits than its factorization.

52609785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9784.

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 52609785 is about 7253.2603014093. The cubic root of 52609785 is about 374.7044426724.

The spelling of 52609785 in words is "fifty-two million, six hundred nine thousand, seven hundred eighty-five".

Divisors: 1 3 5 15 373 1119 1865 5595 9403 28209 47015 141045 3507319 10521957 17536595 52609785