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1421424535 = 5284284907
BaseRepresentation
bin101010010111001…
…0011011110010111
310200001122211220011
41110232103132113
510402341041120
6353014021051
750136623566
oct12456233627
93601584804
101421424535
1166a3a2323
12338047787
1319864040b
14d6acbbdd
1584bc7c5a
hex54b93797

1421424535 has 4 divisors (see below), whose sum is σ = 1705709448. Its totient is φ = 1137139624.

The previous prime is 1421424533. The next prime is 1421424559. The reversal of 1421424535 is 5354241241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5354241241 = 23431228511.

It is a cyclic number.

It is not a de Polignac number, because 1421424535 - 21 = 1421424533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1421424497 and 1421424506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421424533) 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, 142142449 + ... + 142142458.

It is an arithmetic number, because the mean of its divisors is an integer number (426427362).

Almost surely, 21421424535 is an apocalyptic number.

1421424535 is a deficient number, since it is larger than the sum of its proper divisors (284284913).

1421424535 is an equidigital number, since it uses as much as digits as its factorization.

1421424535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284284912.

The product of its digits is 19200, while the sum is 31.

The square root of 1421424535 is about 37701.7842415979. The cubic root of 1421424535 is about 1124.3665991679.

Adding to 1421424535 its reverse (5354241241), we get a palindrome (6775665776).

The spelling of 1421424535 in words is "one billion, four hundred twenty-one million, four hundred twenty-four thousand, five hundred thirty-five".

Divisors: 1 5 284284907 1421424535