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1424506021 = 4333128047
BaseRepresentation
bin101010011101000…
…0011110010100101
310200021110101220021
41110322003302211
510404133143041
6353204035141
750205046531
oct12472036245
93607411807
101424506021
11671107504
12339092ab1
1319917bb93
14d7290bc1
15850d5cd1
hex54e83ca5

1424506021 has 4 divisors (see below), whose sum is σ = 1457634112. Its totient is φ = 1391377932.

The previous prime is 1424506003. The next prime is 1424506037. The reversal of 1424506021 is 1206054241.

It is a happy number.

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 1424506021 - 229 = 887635109 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 (1424504021) 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, 16563981 + ... + 16564066.

It is an arithmetic number, because the mean of its divisors is an integer number (364408528).

Almost surely, 21424506021 is an apocalyptic number.

It is an amenable number.

1424506021 is a deficient number, since it is larger than the sum of its proper divisors (33128091).

1424506021 is an equidigital number, since it uses as much as digits as its factorization.

1424506021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33128090.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1424506021 is about 37742.6286975351. The cubic root of 1424506021 is about 1125.1785121829.

The spelling of 1424506021 in words is "one billion, four hundred twenty-four million, five hundred six thousand, twenty-one".

Divisors: 1 43 33128047 1424506021