Search a number
172339355 = 5109316219
BaseRepresentation
bin10100100010110…
…11000010011011
3110000021202011002
422101123002123
5323104324410
625033455215
74161601046
oct1221330233
9400252132
10172339355
1189310121
124987150b
1329921066
1418c61c5d
15101e37a5
hexa45b09b

172339355 has 8 divisors (see below), whose sum is σ = 208705200. Its totient is φ = 136606176.

The previous prime is 172339339. The next prime is 172339403. The reversal of 172339355 is 553933271.

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

It is a cyclic number.

It is not a de Polignac number, because 172339355 - 24 = 172339339 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 157565 + ... + 158654.

It is an arithmetic number, because the mean of its divisors is an integer number (26088150).

Almost surely, 2172339355 is an apocalyptic number.

172339355 is a deficient number, since it is larger than the sum of its proper divisors (36365845).

172339355 is a wasteful number, since it uses less digits than its factorization.

172339355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316333.

The product of its digits is 85050, while the sum is 38.

The square root of 172339355 is about 13127.8084614303. The cubic root of 172339355 is about 556.4952833152.

The spelling of 172339355 in words is "one hundred seventy-two million, three hundred thirty-nine thousand, three hundred fifty-five".