Search a number
-
+
2874625 = 53132961
BaseRepresentation
bin1010111101110100000001
312102001020121
422331310001
51213442000
6141340241
733301555
oct12756401
95361217
102874625
111693826
12b67681
13798580
1454b865
153bbb1a
hex2bdd01

2874625 has 32 divisors (see below), whose sum is σ = 4062240. Its totient is φ = 2016000.

The previous prime is 2874617. The next prime is 2874629. The reversal of 2874625 is 5264782.

2874625 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 16 ways, for example, as 2852721 + 21904 = 1689^2 + 148^2 .

It is not a de Polignac number, because 2874625 - 23 = 2874617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874629) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 47095 + ... + 47155.

It is an arithmetic number, because the mean of its divisors is an integer number (126945).

22874625 is an apocalyptic number.

2874625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2874625 is a deficient number, since it is larger than the sum of its proper divisors (1187615).

2874625 is a wasteful number, since it uses less digits than its factorization.

2874625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 108 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 2874625 is about 1695.4719107080. The cubic root of 2874625 is about 142.1871664042.

The spelling of 2874625 in words is "two million, eight hundred seventy-four thousand, six hundred twenty-five".

Divisors: 1 5 13 25 29 61 65 125 145 305 325 377 725 793 1525 1625 1769 1885 3625 3965 7625 8845 9425 19825 22997 44225 47125 99125 114985 221125 574925 2874625