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2804255 = 54711933
BaseRepresentation
bin1010101100101000011111
312021110201022
422230220133
51204214010
6140034355
732556446
oct12545037
95243638
102804255
111645973
12b329bb
1377252c
1452dd5d
153a5d55
hex2aca1f

2804255 has 8 divisors (see below), whose sum is σ = 3436992. Its totient is φ = 2195488.

The previous prime is 2804251. The next prime is 2804257. The reversal of 2804255 is 5524082.

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 2804255 - 22 = 2804251 is a prime.

It is a super-2 number, since 2×28042552 = 15727692210050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5732 + ... + 6201.

It is an arithmetic number, because the mean of its divisors is an integer number (429624).

22804255 is an apocalyptic number.

2804255 is a deficient number, since it is larger than the sum of its proper divisors (632737).

2804255 is a wasteful number, since it uses less digits than its factorization.

2804255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11985.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2804255 is about 1674.5909948402. The cubic root of 2804255 is about 141.0173343543.

The spelling of 2804255 in words is "two million, eight hundred four thousand, two hundred fifty-five".

Divisors: 1 5 47 235 11933 59665 560851 2804255