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1914423 = 3791163
BaseRepresentation
bin111010011011000110111
310121021002120
413103120313
5442230143
6105011023
722162260
oct7233067
93537076
101914423
111098375
12783a73
135204c4
1437b967
1527c383
hex1d3637

1914423 has 8 divisors (see below), whose sum is σ = 2917248. Its totient is φ = 1093944.

The previous prime is 1914389. The next prime is 1914427. The reversal of 1914423 is 3244191.

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

It is not a de Polignac number, because 1914423 - 218 = 1652279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1914393 and 1914402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914427) 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, 45561 + ... + 45602.

It is an arithmetic number, because the mean of its divisors is an integer number (364656).

21914423 is an apocalyptic number.

1914423 is a deficient number, since it is larger than the sum of its proper divisors (1002825).

1914423 is an equidigital number, since it uses as much as digits as its factorization.

1914423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91173.

The product of its digits is 864, while the sum is 24.

The square root of 1914423 is about 1383.6267560292. The cubic root of 1914423 is about 124.1688430070.

The spelling of 1914423 in words is "one million, nine hundred fourteen thousand, four hundred twenty-three".

Divisors: 1 3 7 21 91163 273489 638141 1914423