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2905025 = 52116201
BaseRepresentation
bin1011000101001111000001
312110120221112
423011033001
51220430100
6142133105
733456314
oct13051701
95416845
102905025
111704652
12b81195
137a9366
1455897b
153c5b35
hex2c53c1

2905025 has 6 divisors (see below), whose sum is σ = 3602262. Its totient is φ = 2324000.

The previous prime is 2904989. The next prime is 2905027. The reversal of 2905025 is 5205092.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 69169 + 2835856 = 263^2 + 1684^2 .

It is not a de Polignac number, because 2905025 - 210 = 2904001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2905027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58076 + ... + 58125.

It is an arithmetic number, because the mean of its divisors is an integer number (600377).

22905025 is an apocalyptic number.

2905025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2905025 is a deficient number, since it is larger than the sum of its proper divisors (697237).

2905025 is a wasteful number, since it uses less digits than its factorization.

2905025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116211 (or 116206 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2905025 is about 1704.4133888233. The cubic root of 2905025 is about 142.6866334716.

The spelling of 2905025 in words is "two million, nine hundred five thousand, twenty-five".

Divisors: 1 5 25 116201 581005 2905025