Search a number
-
+
2871925 = 52716411
BaseRepresentation
bin1010111101001001110101
312101220112121
422331021311
51213400200
6141315541
733260650
oct12751165
95356477
102871925
1116917a1
12b65bb1
13797284
1454a897
153bae1a
hex2bd275

2871925 has 12 divisors (see below), whose sum is σ = 4070176. Its totient is φ = 1969200.

The previous prime is 2871919. The next prime is 2871937. The reversal of 2871925 is 5291782.

It is not a de Polignac number, because 2871925 - 23 = 2871917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 8031 + ... + 8380.

22871925 is an apocalyptic number.

2871925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2871925 is a deficient number, since it is larger than the sum of its proper divisors (1198251).

2871925 is a wasteful number, since it uses less digits than its factorization.

2871925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16428 (or 16423 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 2871925 is about 1694.6754851593. The cubic root of 2871925 is about 142.1426358879.

The spelling of 2871925 in words is "two million, eight hundred seventy-one thousand, nine hundred twenty-five".

Divisors: 1 5 7 25 35 175 16411 82055 114877 410275 574385 2871925