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1422069 = 31143093
BaseRepresentation
bin101011011001011110101
32200020201020
411123023311
5331001234
650251353
715041655
oct5331365
92606636
101422069
11891470
12586b59
133aa37c
14290365
151d1549
hex15b2f5

1422069 has 8 divisors (see below), whose sum is σ = 2068512. Its totient is φ = 861840.

The previous prime is 1422061. The next prime is 1422089. The reversal of 1422069 is 9602241.

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

It is not a de Polignac number, because 1422069 - 23 = 1422061 is a prime.

It is a super-2 number, since 2×14220692 = 4044560481522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422061) 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, 21514 + ... + 21579.

It is an arithmetic number, because the mean of its divisors is an integer number (258564).

21422069 is an apocalyptic number.

It is an amenable number.

1422069 is a deficient number, since it is larger than the sum of its proper divisors (646443).

1422069 is a wasteful number, since it uses less digits than its factorization.

1422069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43107.

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

The square root of 1422069 is about 1192.5053459000. The cubic root of 1422069 is about 112.4536500423.

It can be divided in two parts, 142 and 2069, that added together give a triangular number (2211 = T66).

The spelling of 1422069 in words is "one million, four hundred twenty-two thousand, sixty-nine".

Divisors: 1 3 11 33 43093 129279 474023 1422069