Search a number
-
+
172338275 = 5217339847
BaseRepresentation
bin10100100010110…
…10110001100011
3110000021200200002
422101122301203
5323104311100
625033450215
74161564644
oct1221326143
9400250602
10172338275
118930a32a
124987096b
1329920715
1418c616cb
15101e32d5
hexa45ac63

172338275 has 12 divisors (see below), whose sum is σ = 214940112. Its totient is φ = 137070240.

The previous prime is 172338247. The next prime is 172338277. The reversal of 172338275 is 572833271.

It is not a de Polignac number, because 172338275 - 210 = 172337251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172338277) 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 11 ways as a sum of consecutive naturals, for example, 15599 + ... + 24248.

It is an arithmetic number, because the mean of its divisors is an integer number (17911676).

Almost surely, 2172338275 is an apocalyptic number.

172338275 is a deficient number, since it is larger than the sum of its proper divisors (42601837).

172338275 is a wasteful number, since it uses less digits than its factorization.

172338275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40030 (or 40025 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 172338275 is about 13127.7673273105. The cubic root of 172338275 is about 556.4941208488.

The spelling of 172338275 in words is "one hundred seventy-two million, three hundred thirty-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 173 865 4325 39847 199235 996175 6893531 34467655 172338275