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1424997 = 32722619
BaseRepresentation
bin101011011111001100101
32200101201200
411123321211
5331044442
650313113
715053340
oct5337145
92611650
101424997
11893692
12588799
133ab7c2
14291457
151d234c
hex15be65

1424997 has 12 divisors (see below), whose sum is σ = 2352480. Its totient is φ = 814248.

The previous prime is 1424989. The next prime is 1425007. The reversal of 1424997 is 7994241.

It is not a de Polignac number, because 1424997 - 23 = 1424989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424947) 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 11 ways as a sum of consecutive naturals, for example, 11247 + ... + 11372.

It is an arithmetic number, because the mean of its divisors is an integer number (196040).

21424997 is an apocalyptic number.

It is an amenable number.

1424997 is a deficient number, since it is larger than the sum of its proper divisors (927483).

1424997 is a wasteful number, since it uses less digits than its factorization.

1424997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632 (or 22629 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1424997 is about 1193.7323820689. The cubic root of 1424997 is about 112.5307767648.

The spelling of 1424997 in words is "one million, four hundred twenty-four thousand, nine hundred ninety-seven".

Divisors: 1 3 7 9 21 63 22619 67857 158333 203571 474999 1424997