Search a number
-
+
52871787 = 325874643
BaseRepresentation
bin1100100110110…
…0001001101011
310200111011110100
43021230021223
5102013344122
65125120443
71211255103
oct311541153
9120434410
1052871787
11279323a1
1215859123
13ac525a7
147044203
154995aac
hex326c26b

52871787 has 6 divisors (see below), whose sum is σ = 76370372. Its totient is φ = 35247852.

The previous prime is 52871761. The next prime is 52871807. The reversal of 52871787 is 78717825.

52871787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52871787 - 26 = 52871723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52871387) 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 5 ways as a sum of consecutive naturals, for example, 2937313 + ... + 2937330.

Almost surely, 252871787 is an apocalyptic number.

52871787 is a deficient number, since it is larger than the sum of its proper divisors (23498585).

52871787 is a wasteful number, since it uses less digits than its factorization.

52871787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874649 (or 5874646 counting only the distinct ones).

The product of its digits is 219520, while the sum is 45.

The square root of 52871787 is about 7271.2988523372. The cubic root of 52871787 is about 375.3254348308.

The spelling of 52871787 in words is "fifty-two million, eight hundred seventy-one thousand, seven hundred eighty-seven".

Divisors: 1 3 9 5874643 17623929 52871787