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39196385 = 513757221
BaseRepresentation
bin1001010110000…
…1011011100001
32201202101022222
42111201123201
540013241020
63520040425
7654110114
oct225413341
981671288
1039196385
1120141908
1211163115
138174b37
1452c457b
153693b25
hex25616e1

39196385 has 8 divisors (see below), whose sum is σ = 47379816. Its totient is φ = 31127680.

The previous prime is 39196351. The next prime is 39196397. The reversal of 39196385 is 58369193.

It can be written as a sum of positive squares in 4 ways, for example, as 16908544 + 22287841 = 4112^2 + 4721^2 .

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

It is not a de Polignac number, because 39196385 - 212 = 39192289 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, 27926 + ... + 29295.

It is an arithmetic number, because the mean of its divisors is an integer number (5922477).

Almost surely, 239196385 is an apocalyptic number.

It is an amenable number.

39196385 is a deficient number, since it is larger than the sum of its proper divisors (8183431).

39196385 is a wasteful number, since it uses less digits than its factorization.

39196385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57363.

The product of its digits is 174960, while the sum is 44.

The square root of 39196385 is about 6260.7016379955. The cubic root of 39196385 is about 339.6894078233.

The spelling of 39196385 in words is "thirty-nine million, one hundred ninety-six thousand, three hundred eighty-five".

Divisors: 1 5 137 685 57221 286105 7839277 39196385