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2530775 = 52132599
BaseRepresentation
bin1001101001110111010111
311202120120102
421221313113
51121441100
6130124315
730340232
oct11516727
94676512
102530775
111479455
12a2069b
136a7c00
1449c419
1534ecd5
hex269dd7

2530775 has 18 divisors (see below), whose sum is σ = 3403800. Its totient is φ = 1865760.

The previous prime is 2530769. The next prime is 2530777. The reversal of 2530775 is 5770352.

It is not a de Polignac number, because 2530775 - 28 = 2530519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530777) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3926 + ... + 4524.

It is an arithmetic number, because the mean of its divisors is an integer number (189100).

22530775 is an apocalyptic number.

2530775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2530775 is a deficient number, since it is larger than the sum of its proper divisors (873025).

2530775 is a wasteful number, since it uses less digits than its factorization.

2530775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 29.

The square root of 2530775 is about 1590.8409725677. The cubic root of 2530775 is about 136.2755191658.

The spelling of 2530775 in words is "two million, five hundred thirty thousand, seven hundred seventy-five".

Divisors: 1 5 13 25 65 169 325 599 845 2995 4225 7787 14975 38935 101231 194675 506155 2530775