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1424207 = 5692503
BaseRepresentation
bin101011011101101001111
32200100122102
411123231033
5331033312
650305315
715051131
oct5335517
92610572
101424207
11893034
1258823b
133ab335
14291051
151d1ec2
hex15bb4f

1424207 has 4 divisors (see below), whose sum is σ = 1427280. Its totient is φ = 1421136.

The previous prime is 1424191. The next prime is 1424231. The reversal of 1424207 is 7024241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7024241 = 71003463.

It is a cyclic number.

It is not a de Polignac number, because 1424207 - 24 = 1424191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424237) 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, 683 + ... + 1820.

It is an arithmetic number, because the mean of its divisors is an integer number (356820).

21424207 is an apocalyptic number.

1424207 is a deficient number, since it is larger than the sum of its proper divisors (3073).

1424207 is an equidigital number, since it uses as much as digits as its factorization.

1424207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1424207 is about 1193.4014412594. The cubic root of 1424207 is about 112.5099777159.

Adding to 1424207 its reverse (7024241), we get a palindrome (8448448).

The spelling of 1424207 in words is "one million, four hundred twenty-four thousand, two hundred seven".

Divisors: 1 569 2503 1424207