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2048869 = 8923021
BaseRepresentation
bin111110100001101100101
310212002112001
413310031211
51011030434
6111525301
723262244
oct7641545
93762461
102048869
11117a389
12829831
13569764
143b495b
152a7114
hex1f4365

2048869 has 4 divisors (see below), whose sum is σ = 2071980. Its totient is φ = 2025760.

The previous prime is 2048867. The next prime is 2048887. The reversal of 2048869 is 9688402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 324900 + 1723969 = 570^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 2048869 - 21 = 2048867 is a prime.

It is a super-2 number, since 2×20488692 = 8395728358322, 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 (2048861) 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, 11422 + ... + 11599.

It is an arithmetic number, because the mean of its divisors is an integer number (517995).

22048869 is an apocalyptic number.

It is an amenable number.

2048869 is a deficient number, since it is larger than the sum of its proper divisors (23111).

2048869 is an equidigital number, since it uses as much as digits as its factorization.

2048869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23110.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2048869 is about 1431.3870895044. The cubic root of 2048869 is about 127.0100432258.

The spelling of 2048869 in words is "two million, forty-eight thousand, eight hundred sixty-nine".

Divisors: 1 89 23021 2048869