Search a number
-
+
53731494 = 2323196293
BaseRepresentation
bin1100110011111…
…0000010100110
310202002211202100
43030332002212
5102223401434
65155352530
71221465405
oct314760246
9122084670
1053731494
112836a2a3
1215bb2746
13b1939ab
1471c963c
154ab5699
hex333e0a6

53731494 has 24 divisors (see below), whose sum is σ = 120174912. Its totient is φ = 17332560.

The previous prime is 53731493. The next prime is 53731499. The reversal of 53731494 is 49413735.

53731494 is a `hidden beast` number, since 537 + 31 + 4 + 94 = 666.

53731494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53731493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47589 + ... + 48704.

It is an arithmetic number, because the mean of its divisors is an integer number (5007288).

Almost surely, 253731494 is an apocalyptic number.

53731494 is an abundant number, since it is smaller than the sum of its proper divisors (66443418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53731494 is a wasteful number, since it uses less digits than its factorization.

53731494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96332 (or 96329 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 53731494 is about 7330.1769419298. The cubic root of 53731494 is about 377.3487990001.

The spelling of 53731494 in words is "fifty-three million, seven hundred thirty-one thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 96293 192586 288879 577758 866637 1733274 2985083 5970166 8955249 17910498 26865747 53731494