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2797925 = 52138609
BaseRepresentation
bin1010101011000101100101
312021011000212
422223011211
51204013200
6135545205
732532134
oct12530545
95234025
102797925
111641139
12b2b205
1376c6a0
1452b91b
153a4035
hex2ab165

2797925 has 12 divisors (see below), whose sum is σ = 3736740. Its totient is φ = 2065920.

The previous prime is 2797919. The next prime is 2797939. The reversal of 2797925 is 5297972.

It is a happy number.

2797925 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 6 ways, for example, as 586756 + 2211169 = 766^2 + 1487^2 .

It is not a de Polignac number, because 2797925 - 210 = 2796901 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3980 + ... + 4629.

It is an arithmetic number, because the mean of its divisors is an integer number (311395).

22797925 is an apocalyptic number.

2797925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2797925 is a deficient number, since it is larger than the sum of its proper divisors (938815).

2797925 is a wasteful number, since it uses less digits than its factorization.

2797925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8632 (or 8627 counting only the distinct ones).

The product of its digits is 79380, while the sum is 41.

The square root of 2797925 is about 1672.6999133138. The cubic root of 2797925 is about 140.9111490255.

The spelling of 2797925 in words is "two million, seven hundred ninety-seven thousand, nine hundred twenty-five".

Divisors: 1 5 13 25 65 325 8609 43045 111917 215225 559585 2797925