Search a number
-
+
1634237053 = 3744168569
BaseRepresentation
bin110000101101000…
…0111101001111101
311012220002211210021
41201122013221331
511321331041203
6430055212141
755332533341
oct14132075175
94186084707
101634237053
11769536539
12397377051
13200762497
14117087621
15987135bd
hex61687a7d

1634237053 has 4 divisors (see below), whose sum is σ = 1678405660. Its totient is φ = 1590068448.

The previous prime is 1634237051. The next prime is 1634237071. The reversal of 1634237053 is 3507324361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1580698564 + 53538489 = 39758^2 + 7317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1634237053 - 21 = 1634237051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1634237051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22084248 + ... + 22084321.

It is an arithmetic number, because the mean of its divisors is an integer number (419601415).

Almost surely, 21634237053 is an apocalyptic number.

It is an amenable number.

1634237053 is a deficient number, since it is larger than the sum of its proper divisors (44168607).

1634237053 is an equidigital number, since it uses as much as digits as its factorization.

1634237053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44168606.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 1634237053 is about 40425.6979284217. The cubic root of 1634237053 is about 1177.8907673588.

The spelling of 1634237053 in words is "one billion, six hundred thirty-four million, two hundred thirty-seven thousand, fifty-three".

Divisors: 1 37 44168569 1634237053