Search a number
-
+
52921874 = 2157168541
BaseRepresentation
bin1100100111100…
…0011000010010
310200120201011102
43021320120102
5102021444444
65130144402
71211554115
oct311703022
9120521142
1052921874
1127966a95
1215882102
13ac6c325
14705857c
1549a584e
hex3278612

52921874 has 8 divisors (see below), whose sum is σ = 79888908. Its totient is φ = 26292240.

The previous prime is 52921853. The next prime is 52921903. The reversal of 52921874 is 47812925.

It can be written as a sum of positive squares in 2 ways, for example, as 50055625 + 2866249 = 7075^2 + 1693^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83957 + ... + 84584.

Almost surely, 252921874 is an apocalyptic number.

52921874 is a deficient number, since it is larger than the sum of its proper divisors (26967034).

52921874 is a wasteful number, since it uses less digits than its factorization.

52921874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168700.

The product of its digits is 40320, while the sum is 38.

The square root of 52921874 is about 7274.7421947448. The cubic root of 52921874 is about 375.4439163687.

The spelling of 52921874 in words is "fifty-two million, nine hundred twenty-one thousand, eight hundred seventy-four".

Divisors: 1 2 157 314 168541 337082 26460937 52921874