Search a number
-
+
211710074 = 2731450069
BaseRepresentation
bin11001001111001…
…11000001111010
3112202100222121212
430213213001322
5413144210244
633001403122
75150335352
oct1447470172
9482328555
10211710074
11a9560a04
125aa994a2
1334b27344
142018db62
15138bdd9e
hexc9e707a

211710074 has 8 divisors (see below), whose sum is σ = 321915540. Its totient is φ = 104404896.

The previous prime is 211710053. The next prime is 211710097. The reversal of 211710074 is 470017112.

It can be written as a sum of positive squares in 2 ways, for example, as 210975625 + 734449 = 14525^2 + 857^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724889 + ... + 725180.

Almost surely, 2211710074 is an apocalyptic number.

211710074 is a deficient number, since it is larger than the sum of its proper divisors (110205466).

211710074 is a wasteful number, since it uses less digits than its factorization.

211710074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450144.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 211710074 is about 14550.2602725862. The cubic root of 211710074 is about 596.0012555714.

Adding to 211710074 its reverse (470017112), we get a palindrome (681727186).

The spelling of 211710074 in words is "two hundred eleven million, seven hundred ten thousand, seventy-four".

Divisors: 1 2 73 146 1450069 2900138 105855037 211710074