Search a number
-
+
172701113 = 1317781453
BaseRepresentation
bin10100100101100…
…11010110111001
3110000222010101112
422102303112321
5323202413423
625045330105
74164635534
oct1222632671
9400863345
10172701113
11895379a2
1249a06935
1329a19910
1418d17a1b
1510265a78
hexa4b35b9

172701113 has 8 divisors (see below), whose sum is σ = 196926408. Its totient is φ = 150038784.

The previous prime is 172701107. The next prime is 172701131. The reversal of 172701113 is 311107271.

172701113 = 92922 + 92932.

It can be written as a sum of positive squares in 4 ways, for example, as 70023424 + 102677689 = 8368^2 + 10133^2 .

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 172701113 - 24 = 172701097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172701313) 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, 390506 + ... + 390947.

It is an arithmetic number, because the mean of its divisors is an integer number (24615801).

Almost surely, 2172701113 is an apocalyptic number.

172701113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

172701113 is the 9293-rd centered square number.

It is an amenable number.

172701113 is a deficient number, since it is larger than the sum of its proper divisors (24225295).

172701113 is a wasteful number, since it uses less digits than its factorization.

172701113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781483.

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 172701113 is about 13141.5795473756. The cubic root of 172701113 is about 556.8843914276.

Adding to 172701113 its reverse (311107271), we get a palindrome (483808384).

The spelling of 172701113 in words is "one hundred seventy-two million, seven hundred one thousand, one hundred thirteen".

Divisors: 1 13 17 221 781453 10158889 13284701 172701113