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2064289 = 13914851
BaseRepresentation
bin111110111111110100001
310212212200011
413313332201
51012024124
6112124521
723355223
oct7677641
93785604
102064289
11118aa27
12836741
13573796
143ba413
152ab994
hex1f7fa1

2064289 has 4 divisors (see below), whose sum is σ = 2079280. Its totient is φ = 2049300.

The previous prime is 2064277. The next prime is 2064299. The reversal of 2064289 is 9824602.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9824602 = 24912301.

It is a cyclic number.

It is not a de Polignac number, because 2064289 - 29 = 2063777 is a prime.

It is a super-2 number, since 2×20642892 = 8522578151042, which contains 22 as substring.

It is a Duffinian number.

2064289 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064289.

It is not an unprimeable number, because it can be changed into a prime (2064229) 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, 7287 + ... + 7564.

It is an arithmetic number, because the mean of its divisors is an integer number (519820).

22064289 is an apocalyptic number.

It is an amenable number.

2064289 is a deficient number, since it is larger than the sum of its proper divisors (14991).

2064289 is a wasteful number, since it uses less digits than its factorization.

2064289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14990.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2064289 is about 1436.7633764820. The cubic root of 2064289 is about 127.3278774438.

The spelling of 2064289 in words is "two million, sixty-four thousand, two hundred eighty-nine".

Divisors: 1 139 14851 2064289