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2104493 = 16312911
BaseRepresentation
bin1000000001110010101101
310221220211012
420001302231
51014320433
6113035005
723613356
oct10016255
93856735
102104493
111208156
12855a65
13588b81
143cad2d
152b8848
hex201cad

2104493 has 4 divisors (see below), whose sum is σ = 2117568. Its totient is φ = 2091420.

The previous prime is 2104483. The next prime is 2104499. The reversal of 2104493 is 3944012.

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 2104493 - 214 = 2088109 is a prime.

It is a super-3 number, since 3×21044933 = 27961708977327333471, which contains 333 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 (2104499) 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, 6293 + ... + 6618.

It is an arithmetic number, because the mean of its divisors is an integer number (529392).

22104493 is an apocalyptic number.

It is an amenable number.

2104493 is a deficient number, since it is larger than the sum of its proper divisors (13075).

2104493 is a wasteful number, since it uses less digits than its factorization.

2104493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2104493 is about 1450.6870785941. The cubic root of 2104493 is about 128.1491790973.

The spelling of 2104493 in words is "two million, one hundred four thousand, four hundred ninety-three".

Divisors: 1 163 12911 2104493