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1421483937 = 3473827979
BaseRepresentation
bin101010010111010…
…0001111110100001
310200001202212101020
41110232201332201
510402344441222
6353015200053
750140262016
oct12456417641
93601685336
101421483937
1166a432a15
12338076029
13198661473
14d6b0570d
1584bda65c
hex54ba1fa1

1421483937 has 4 divisors (see below), whose sum is σ = 1895311920. Its totient is φ = 947655956.

The previous prime is 1421483911. The next prime is 1421483957. The reversal of 1421483937 is 7393841241.

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 1421483937 - 212 = 1421479841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421483957) 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, 236913987 + ... + 236913992.

It is an arithmetic number, because the mean of its divisors is an integer number (473827980).

Almost surely, 21421483937 is an apocalyptic number.

It is an amenable number.

1421483937 is a deficient number, since it is larger than the sum of its proper divisors (473827983).

1421483937 is an equidigital number, since it uses as much as digits as its factorization.

1421483937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473827982.

The product of its digits is 145152, while the sum is 42.

The square root of 1421483937 is about 37702.5720210173. The cubic root of 1421483937 is about 1124.3822615527.

The spelling of 1421483937 in words is "one billion, four hundred twenty-one million, four hundred eighty-three thousand, nine hundred thirty-seven".

Divisors: 1 3 473827979 1421483937