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1422944 = 2553839
BaseRepresentation
bin101011011011001100000
32200021220122
411123121200
5331013234
650255412
715044345
oct5333140
92607818
101422944
11892096
12587568
133aa8a3
142907cc
151d192e
hex15b660

1422944 has 24 divisors (see below), whose sum is σ = 2857680. Its totient is φ = 697216.

The previous prime is 1422937. The next prime is 1422961. The reversal of 1422944 is 4492241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

21422944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1428840).

1422944 is an abundant number, since it is smaller than the sum of its proper divisors (1434736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422944 is an equidigital number, since it uses as much as digits as its factorization.

1422944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 894 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 1422944 is about 1192.8721641484. The cubic root of 1422944 is about 112.4767095819.

The spelling of 1422944 in words is "one million, four hundred twenty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 32 53 106 212 424 839 848 1678 1696 3356 6712 13424 26848 44467 88934 177868 355736 711472 1422944