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1420022 = 21937369
BaseRepresentation
bin101011010101011110110
32200010220102
411122223312
5330420042
650234102
715033002
oct5325366
92603812
101420022
1188a97a
12585932
133a9466
1428d702
151d0b32
hex15aaf6

1420022 has 8 divisors (see below), whose sum is σ = 2242200. Its totient is φ = 672624.

The previous prime is 1420009. The next prime is 1420031. The reversal of 1420022 is 2200241.

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

It is a junction number, because it is equal to n+sod(n) for n = 1419985 and 1420012.

It is a congruent number.

It is an unprimeable number.

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, 18647 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (280275).

21420022 is an apocalyptic number.

1420022 is a deficient number, since it is larger than the sum of its proper divisors (822178).

1420022 is a wasteful number, since it uses less digits than its factorization.

1420022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37390.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1420022 is about 1191.6467597405. The cubic root of 1420022 is about 112.3996669232.

Adding to 1420022 its reverse (2200241), we get a palindrome (3620263).

The spelling of 1420022 in words is "one million, four hundred twenty thousand, twenty-two".

Divisors: 1 2 19 38 37369 74738 710011 1420022