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2883261 = 3961087
BaseRepresentation
bin1010111111111010111101
312102111002110
422333322331
51214231021
6141444233
733336003
oct12777275
95374073
102883261
11169a267
12b70679
1379c494
14550a73
153be476
hex2bfebd

2883261 has 4 divisors (see below), whose sum is σ = 3844352. Its totient is φ = 1922172.

The previous prime is 2883259. The next prime is 2883289. The reversal of 2883261 is 1623882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2883261 - 21 = 2883259 is a prime.

It is a D-number.

It is a Duffinian number.

2883261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2883061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480541 + ... + 480546.

It is an arithmetic number, because the mean of its divisors is an integer number (961088).

22883261 is an apocalyptic number.

It is an amenable number.

2883261 is a deficient number, since it is larger than the sum of its proper divisors (961091).

2883261 is an equidigital number, since it uses as much as digits as its factorization.

2883261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961090.

The product of its digits is 4608, while the sum is 30.

The square root of 2883261 is about 1698.0167843693. The cubic root of 2883261 is about 142.3294111333.

The spelling of 2883261 in words is "two million, eight hundred eighty-three thousand, two hundred sixty-one".

Divisors: 1 3 961087 2883261