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3851393 = 71342323
BaseRepresentation
bin1110101100010010000001
321020200010012
432230102001
51441221033
6214314305
744510360
oct16542201
97220105
103851393
1121a0677
121358995
13a4b040
147237d7
15511248
hex3ac481

3851393 has 8 divisors (see below), whose sum is σ = 4740288. Its totient is φ = 3047184.

The previous prime is 3851389. The next prime is 3851399. The reversal of 3851393 is 3931583.

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

It is not a de Polignac number, because 3851393 - 22 = 3851389 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3851399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21071 + ... + 21252.

It is an arithmetic number, because the mean of its divisors is an integer number (592536).

Almost surely, 23851393 is an apocalyptic number.

It is an amenable number.

3851393 is a deficient number, since it is larger than the sum of its proper divisors (888895).

3851393 is a wasteful number, since it uses less digits than its factorization.

3851393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42343.

The product of its digits is 9720, while the sum is 32.

The square root of 3851393 is about 1962.4966242009. The cubic root of 3851393 is about 156.7494210954.

The spelling of 3851393 in words is "three million, eight hundred fifty-one thousand, three hundred ninety-three".

Divisors: 1 7 13 91 42323 296261 550199 3851393