Search a number
-
+
1420413 = 3473471
BaseRepresentation
bin101011010110001111101
32200011102220
411122301331
5330423123
650235553
715034101
oct5326175
92604386
101420413
118901a5
12585bb9
133a96a7
1428d901
151d0ce3
hex15ac7d

1420413 has 4 divisors (see below), whose sum is σ = 1893888. Its totient is φ = 946940.

The previous prime is 1420403. The next prime is 1420429. The reversal of 1420413 is 3140241.

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 1420413 - 210 = 1419389 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 1420392 and 1420401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420403) 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 3 ways as a sum of consecutive naturals, for example, 236733 + ... + 236738.

It is an arithmetic number, because the mean of its divisors is an integer number (473472).

21420413 is an apocalyptic number.

It is an amenable number.

1420413 is a deficient number, since it is larger than the sum of its proper divisors (473475).

1420413 is an equidigital number, since it uses as much as digits as its factorization.

1420413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473474.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1420413 is about 1191.8108071334. The cubic root of 1420413 is about 112.4099823119.

Adding to 1420413 its reverse (3140241), we get a palindrome (4560654).

The spelling of 1420413 in words is "one million, four hundred twenty thousand, four hundred thirteen".

Divisors: 1 3 473471 1420413