Search a number
-
+
211152453 = 31913032843
BaseRepresentation
bin11001001010111…
…10111001000101
3112201022122201020
430211132321011
5413023334303
632541421353
75142523551
oct1445367105
9481278636
10211152453
11a920aa66
125a86a859
13349905a5
1420086861
151380da53
hexc95ee45

211152453 has 16 divisors (see below), whose sum is σ = 296686080. Its totient is φ = 133210224.

The previous prime is 211152407. The next prime is 211152457. The reversal of 211152453 is 354251112.

It is a happy number.

It is not a de Polignac number, because 211152453 - 210 = 211151429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211152457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72850 + ... + 75692.

It is an arithmetic number, because the mean of its divisors is an integer number (18542880).

Almost surely, 2211152453 is an apocalyptic number.

It is an amenable number.

211152453 is a deficient number, since it is larger than the sum of its proper divisors (85533627).

211152453 is a wasteful number, since it uses less digits than its factorization.

211152453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4168.

The product of its digits is 1200, while the sum is 24.

The square root of 211152453 is about 14531.0857474588. The cubic root of 211152453 is about 595.4775282835.

The spelling of 211152453 in words is "two hundred eleven million, one hundred fifty-two thousand, four hundred fifty-three".

Divisors: 1 3 19 57 1303 2843 3909 8529 24757 54017 74271 162051 3704429 11113287 70384151 211152453