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2555071 = 15116921
BaseRepresentation
bin1001101111110010111111
311210210220021
421233302333
51123230241
6130433011
730501121
oct11576277
94723807
102555071
111495732
12a32767
136b5c9c
144a7211
153570d1
hex26fcbf

2555071 has 4 divisors (see below), whose sum is σ = 2572144. Its totient is φ = 2538000.

The previous prime is 2555057. The next prime is 2555081. The reversal of 2555071 is 1705552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2555071 - 217 = 2423999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555011) 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, 8310 + ... + 8611.

It is an arithmetic number, because the mean of its divisors is an integer number (643036).

22555071 is an apocalyptic number.

2555071 is a deficient number, since it is larger than the sum of its proper divisors (17073).

2555071 is a wasteful number, since it uses less digits than its factorization.

2555071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17072.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 2555071 is about 1598.4589453596. The cubic root of 2555071 is about 136.7102227487.

The spelling of 2555071 in words is "two million, five hundred fifty-five thousand, seventy-one".

Divisors: 1 151 16921 2555071