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2876421 = 3958807
BaseRepresentation
bin1010111110010000000101
312102010201010
422332100011
51214021141
6141352433
733310032
oct12762005
95363633
102876421
111695109
12b68719
13799332
1454c389
153bc416
hex2be405

2876421 has 4 divisors (see below), whose sum is σ = 3835232. Its totient is φ = 1917612.

The previous prime is 2876411. The next prime is 2876443. The reversal of 2876421 is 1246782.

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 2876421 - 25 = 2876389 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2876411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479401 + ... + 479406.

It is an arithmetic number, because the mean of its divisors is an integer number (958808).

22876421 is an apocalyptic number.

It is an amenable number.

2876421 is a deficient number, since it is larger than the sum of its proper divisors (958811).

2876421 is an equidigital number, since it uses as much as digits as its factorization.

2876421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958810.

The product of its digits is 5376, while the sum is 30.

The square root of 2876421 is about 1696.0014740560. The cubic root of 2876421 is about 142.2167720034.

The spelling of 2876421 in words is "two million, eight hundred seventy-six thousand, four hundred twenty-one".

Divisors: 1 3 958807 2876421