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2066255 = 5413251
BaseRepresentation
bin111111000011101001111
310212222100222
413320131033
51012110010
6112141555
723364032
oct7703517
93788328
102066255
111191454
128378bb
13574649
143bb019
152ac355
hex1f874f

2066255 has 4 divisors (see below), whose sum is σ = 2479512. Its totient is φ = 1653000.

The previous prime is 2066249. The next prime is 2066257. The reversal of 2066255 is 5526602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5526602 = 22763301.

It is a de Polignac number, because none of the positive numbers 2k-2066255 is a prime.

It is an Ulam 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 (2066257) 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, 206621 + ... + 206630.

It is an arithmetic number, because the mean of its divisors is an integer number (619878).

22066255 is an apocalyptic number.

2066255 is a deficient number, since it is larger than the sum of its proper divisors (413257).

2066255 is an equidigital number, since it uses as much as digits as its factorization.

2066255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413256.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2066255 is about 1437.4473903416. The cubic root of 2066255 is about 127.3682863820.

The spelling of 2066255 in words is "two million, sixty-six thousand, two hundred fifty-five".

Divisors: 1 5 413251 2066255