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2669251 = 13205327
BaseRepresentation
bin1010001011101011000011
312000121112011
422023223003
51140404001
6133113351
731455034
oct12135303
95017464
102669251
1115634a2
12a88857
13725c50
144d6a8b
1537ad51
hex28bac3

2669251 has 4 divisors (see below), whose sum is σ = 2874592. Its totient is φ = 2463912.

The previous prime is 2669243. The next prime is 2669257. The reversal of 2669251 is 1529662.

2669251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2669251 - 23 = 2669243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2669257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102651 + ... + 102676.

It is an arithmetic number, because the mean of its divisors is an integer number (718648).

22669251 is an apocalyptic number.

2669251 is a deficient number, since it is larger than the sum of its proper divisors (205341).

2669251 is a wasteful number, since it uses less digits than its factorization.

2669251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205340.

The product of its digits is 6480, while the sum is 31.

The square root of 2669251 is about 1633.7842574832. The cubic root of 2669251 is about 138.7170373230.

The spelling of 2669251 in words is "two million, six hundred sixty-nine thousand, two hundred fifty-one".

Divisors: 1 13 205327 2669251