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2045125 = 5316361
BaseRepresentation
bin111110011010011000101
310211220101101
413303103011
51010421000
6111500101
723245315
oct7632305
93756341
102045125
111177595
12827631
13567b44
143b3445
152a5e6a
hex1f34c5

2045125 has 8 divisors (see below), whose sum is σ = 2552472. Its totient is φ = 1636000.

The previous prime is 2045093. The next prime is 2045129. The reversal of 2045125 is 5215402.

It can be written as a sum of positive squares in 4 ways, for example, as 148996 + 1896129 = 386^2 + 1377^2 .

It is not a de Polignac number, because 2045125 - 25 = 2045093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8056 + ... + 8305.

It is an arithmetic number, because the mean of its divisors is an integer number (319059).

22045125 is an apocalyptic number.

2045125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2045125 is a deficient number, since it is larger than the sum of its proper divisors (507347).

2045125 is an equidigital number, since it uses as much as digits as its factorization.

2045125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16376 (or 16366 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2045125 is about 1430.0786691647. The cubic root of 2045125 is about 126.9326321360.

It can be divided in two parts, 204 and 5125, that added together give a square (5329 = 732).

The spelling of 2045125 in words is "two million, forty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 16361 81805 409025 2045125