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2582505 = 32557389
BaseRepresentation
bin1001110110011111101001
311212012112100
421312133221
51130120010
6131204013
730644112
oct11663751
94765470
102582505
111504302
12a46609
136c5613
144b3209
153602c0
hex2767e9

2582505 has 12 divisors (see below), whose sum is σ = 4476420. Its totient is φ = 1377312.

The previous prime is 2582501. The next prime is 2582543. The reversal of 2582505 is 5052852.

It can be written as a sum of positive squares in 2 ways, for example, as 1390041 + 1192464 = 1179^2 + 1092^2 .

It is not a de Polignac number, because 2582505 - 22 = 2582501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2582501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28650 + ... + 28739.

It is an arithmetic number, because the mean of its divisors is an integer number (373035).

22582505 is an apocalyptic number.

It is an amenable number.

2582505 is a deficient number, since it is larger than the sum of its proper divisors (1893915).

2582505 is a wasteful number, since it uses less digits than its factorization.

2582505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57400 (or 57397 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2582505 is about 1607.0174236765. The cubic root of 2582505 is about 137.1977714422.

The spelling of 2582505 in words is "two million, five hundred eighty-two thousand, five hundred five".

Divisors: 1 3 5 9 15 45 57389 172167 286945 516501 860835 2582505