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1424489 = 11129499
BaseRepresentation
bin101011011110001101001
32200101000212
411123301221
5331040424
650310505
715052013
oct5336151
92611025
101424489
11893270
12588435
133ab4c1
142911b3
151d210e
hex15bc69

1424489 has 4 divisors (see below), whose sum is σ = 1554000. Its totient is φ = 1294980.

The previous prime is 1424483. The next prime is 1424497. The reversal of 1424489 is 9844241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1424489 - 216 = 1358953 is a prime.

It is a super-2 number, since 2×14244892 = 4058337822242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424483) 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, 64739 + ... + 64760.

It is an arithmetic number, because the mean of its divisors is an integer number (388500).

21424489 is an apocalyptic number.

It is an amenable number.

1424489 is a deficient number, since it is larger than the sum of its proper divisors (129511).

1424489 is a wasteful number, since it uses less digits than its factorization.

1424489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129510.

The product of its digits is 9216, while the sum is 32.

The square root of 1424489 is about 1193.5195850928. The cubic root of 1424489 is about 112.5174030690.

The spelling of 1424489 in words is "one million, four hundred twenty-four thousand, four hundred eighty-nine".

Divisors: 1 11 129499 1424489