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2086913 = 19910487
BaseRepresentation
bin111111101100000000001
310221000201002
413331200001
51013240123
6112421345
723511203
oct7754001
93830632
102086913
1111a5a24
12847855
13580b7a
143c4773
152b3528
hex1fd801

2086913 has 4 divisors (see below), whose sum is σ = 2097600. Its totient is φ = 2076228.

The previous prime is 2086907. The next prime is 2086933. The reversal of 2086913 is 3196802.

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.

It is a cyclic number.

It is not a de Polignac number, because 2086913 - 28 = 2086657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2086933) 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, 5045 + ... + 5442.

It is an arithmetic number, because the mean of its divisors is an integer number (524400).

It is a Proth number, since it is equal to 1019 ⋅ 211 + 1 and 1019 < 211.

22086913 is an apocalyptic number.

It is an amenable number.

2086913 is a deficient number, since it is larger than the sum of its proper divisors (10687).

2086913 is a wasteful number, since it uses less digits than its factorization.

2086913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2086913 is about 1444.6151736708. The cubic root of 2086913 is about 127.7913470712.

The spelling of 2086913 in words is "two million, eighty-six thousand, nine hundred thirteen".

Divisors: 1 199 10487 2086913