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1426724 = 221327437
BaseRepresentation
bin101011100010100100100
32200111002122
411130110210
5331123344
650325112
715061355
oct5342444
92614078
101426724
11894a12
12589798
133ac520
14291d2c
151d2aee
hex15c524

1426724 has 12 divisors (see below), whose sum is σ = 2688924. Its totient is φ = 658464.

The previous prime is 1426723. The next prime is 1426741. The reversal of 1426724 is 4276241.

It can be written as a sum of positive squares in 2 ways, for example, as 462400 + 964324 = 680^2 + 982^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1426693 and 1426702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13667 + ... + 13770.

It is an arithmetic number, because the mean of its divisors is an integer number (224077).

21426724 is an apocalyptic number.

It is an amenable number.

1426724 is a deficient number, since it is larger than the sum of its proper divisors (1262200).

1426724 is a wasteful number, since it uses less digits than its factorization.

1426724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27454 (or 27452 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 1426724 is about 1194.4555244964. The cubic root of 1426724 is about 112.5762183096.

The spelling of 1426724 in words is "one million, four hundred twenty-six thousand, seven hundred twenty-four".

Divisors: 1 2 4 13 26 52 27437 54874 109748 356681 713362 1426724