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2863825 = 52114553
BaseRepresentation
bin1010111011001011010001
312101111102121
422323023101
51213120300
6141214241
733225226
oct12731321
95344377
102863825
1116866a8
12b61381
13793693
1454794d
153b881a
hex2bb2d1

2863825 has 6 divisors (see below), whose sum is σ = 3551174. Its totient is φ = 2291040.

The previous prime is 2863823. The next prime is 2863841. The reversal of 2863825 is 5283682.

2863825 = T238 + T239 + ... + T312.

It can be written as a sum of positive squares in 3 ways, for example, as 961 + 2862864 = 31^2 + 1692^2 .

It is not a de Polignac number, because 2863825 - 21 = 2863823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2863823) 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, 57252 + ... + 57301.

22863825 is an apocalyptic number.

2863825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2863825 is a deficient number, since it is larger than the sum of its proper divisors (687349).

2863825 is a wasteful number, since it uses less digits than its factorization.

2863825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114563 (or 114558 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 2863825 is about 1692.2839596238. The cubic root of 2863825 is about 142.0088766520.

The spelling of 2863825 in words is "two million, eight hundred sixty-three thousand, eight hundred twenty-five".

Divisors: 1 5 25 114553 572765 2863825