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2049423 = 34315887
BaseRepresentation
bin111110100010110001111
310212010021120
413310112033
51011040143
6111532023
723263665
oct7642617
93763246
102049423
11117a842
1282a013
13569a9c
143b4c35
152a7383
hex1f458f

2049423 has 8 divisors (see below), whose sum is σ = 2796288. Its totient is φ = 1334424.

The previous prime is 2049419. The next prime is 2049427. The reversal of 2049423 is 3249402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2049419) and next prime (2049427).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2049423 - 22 = 2049419 is a prime.

2049423 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2049393 and 2049402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7815 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (349536).

22049423 is an apocalyptic number.

2049423 is a deficient number, since it is larger than the sum of its proper divisors (746865).

2049423 is a wasteful number, since it uses less digits than its factorization.

2049423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15933.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2049423 is about 1431.5805950068. The cubic root of 2049423 is about 127.0214897398.

The spelling of 2049423 in words is "two million, forty-nine thousand, four hundred twenty-three".

Divisors: 1 3 43 129 15887 47661 683141 2049423