Search a number
-
+
272405343 = 3712971683
BaseRepresentation
bin10000001111001…
…001001101011111
3200222120121212210
4100033021031133
51024213432333
643010331503
76515256450
oct2017111537
9628517783
10272405343
1112a847191
1277289b93
13445888c2
142826d127
1518daca63
hex103c935f

272405343 has 8 divisors (see below), whose sum is σ = 415093888. Its totient is φ = 155660184.

The previous prime is 272405293. The next prime is 272405363. The reversal of 272405343 is 343504272.

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

It is not a de Polignac number, because 272405343 - 29 = 272404831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272405343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272405363) 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, 6485821 + ... + 6485862.

It is an arithmetic number, because the mean of its divisors is an integer number (51886736).

Almost surely, 2272405343 is an apocalyptic number.

272405343 is a deficient number, since it is larger than the sum of its proper divisors (142688545).

272405343 is a wasteful number, since it uses less digits than its factorization.

272405343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12971693.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 272405343 is about 16504.7066923348. The cubic root of 272405343 is about 648.2440519723.

The spelling of 272405343 in words is "two hundred seventy-two million, four hundred five thousand, three hundred forty-three".

Divisors: 1 3 7 21 12971683 38915049 90801781 272405343