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2505017 = 19314253
BaseRepresentation
bin1001100011100100111001
311201021020102
421203210321
51120130032
6125405145
730202154
oct11434471
94637212
102505017
111461069
12a097b5
13699278
14492c9b
15347362
hex263939

2505017 has 8 divisors (see below), whose sum is σ = 2722560. Its totient is φ = 2296080.

The previous prime is 2505007. The next prime is 2505043. The reversal of 2505017 is 7105052.

2505017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505017 - 218 = 2242873 is a prime.

It is a super-2 number, since 2×25050172 = 12550220340578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505017.

It is not an unprimeable number, because it can be changed into a prime (2505007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1538 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (340320).

22505017 is an apocalyptic number.

It is an amenable number.

2505017 is a deficient number, since it is larger than the sum of its proper divisors (217543).

2505017 is a wasteful number, since it uses less digits than its factorization.

2505017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 2505017 is about 1582.7245496295. The cubic root of 2505017 is about 135.8116083873.

The spelling of 2505017 in words is "two million, five hundred five thousand, seventeen".

Divisors: 1 19 31 589 4253 80807 131843 2505017