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211463045 = 544939413
BaseRepresentation
bin11001001101010…
…10101110000101
3112201220102202122
430212222232011
5413113304140
632552215325
75145256223
oct1446525605
9481812678
10211463045
11a9402352
125a99a545
1334a6ba81
1420127b13
1513870ab5
hexc9aab85

211463045 has 8 divisors (see below), whose sum is σ = 253839096. Its totient is φ = 169114816.

The previous prime is 211463039. The next prime is 211463053. The reversal of 211463045 is 540364112.

211463045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 160326244 + 51136801 = 12662^2 + 7151^2 .

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 211463045 - 220 = 210414469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17759 + ... + 27171.

It is an arithmetic number, because the mean of its divisors is an integer number (31729887).

Almost surely, 2211463045 is an apocalyptic number.

It is an amenable number.

211463045 is a deficient number, since it is larger than the sum of its proper divisors (42376051).

211463045 is an equidigital number, since it uses as much as digits as its factorization.

211463045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13911.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 211463045 is about 14541.7689776726. The cubic root of 211463045 is about 595.7693552618.

The spelling of 211463045 in words is "two hundred eleven million, four hundred sixty-three thousand, forty-five".

Divisors: 1 5 4493 9413 22465 47065 42292609 211463045