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693385386 = 23115564231
BaseRepresentation
bin101001010101000…
…011100010101010
31210022201121221020
4221111003202222
52410001313021
6152445353310
723116451511
oct5125034252
91708647836
10693385386
11326441781
12174268836
13b0864715
1468135678
1540d177c6
hex295438aa

693385386 has 8 divisors (see below), whose sum is σ = 1386770784. Its totient is φ = 231128460.

The previous prime is 693385351. The next prime is 693385397. The reversal of 693385386 is 683583396.

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

693385386 is an admirable number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 57782110 + ... + 57782121.

It is an arithmetic number, because the mean of its divisors is an integer number (173346348).

Almost surely, 2693385386 is an apocalyptic number.

693385386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

693385386 is a wasteful number, since it uses less digits than its factorization.

693385386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115564236.

The product of its digits is 2799360, while the sum is 51.

The square root of 693385386 is about 26332.2119465874. The cubic root of 693385386 is about 885.0984116041.

The spelling of 693385386 in words is "six hundred ninety-three million, three hundred eighty-five thousand, three hundred eighty-six".

Divisors: 1 2 3 6 115564231 231128462 346692693 693385386