Search a number
-
+
172683393 = 382170111
BaseRepresentation
bin10100100101011…
…11000010000001
3110000221020002020
422102233002001
5323201332033
625045112053
74164533061
oct1222570201
9400836066
10172683393
1189525653
12499b8629
1329a1182c
1418d113a1
15102606b3
hexa4af081

172683393 has 8 divisors (see below), whose sum is σ = 230528256. Its totient is φ = 114980400.

The previous prime is 172683373. The next prime is 172683439. The reversal of 172683393 is 393386271.

It is a happy number.

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

It is not a de Polignac number, because 172683393 - 217 = 172552321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172683353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32593 + ... + 37518.

It is an arithmetic number, because the mean of its divisors is an integer number (28816032).

Almost surely, 2172683393 is an apocalyptic number.

It is an amenable number.

172683393 is a deficient number, since it is larger than the sum of its proper divisors (57844863).

172683393 is an equidigital number, since it uses as much as digits as its factorization.

172683393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70935.

The product of its digits is 163296, while the sum is 42.

The square root of 172683393 is about 13140.9053341085. The cubic root of 172683393 is about 556.8653443993.

The spelling of 172683393 in words is "one hundred seventy-two million, six hundred eighty-three thousand, three hundred ninety-three".

Divisors: 1 3 821 2463 70111 210333 57561131 172683393