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1426548913 = 1797969547
BaseRepresentation
bin101010100000111…
…0110100010110001
310200102022012012221
41111001312202301
510410144031123
6353315521041
750231315506
oct12501664261
93612265187
101426548913
11672282349
123398b9181
131997159aa
14d76634ad
158538b25d
hex550768b1

1426548913 has 4 divisors (see below), whose sum is σ = 1434518640. Its totient is φ = 1418579188.

The previous prime is 1426548911. The next prime is 1426548953. The reversal of 1426548913 is 3198456241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3198456241 = 11812708261.

It is a cyclic number.

It is not a de Polignac number, because 1426548913 - 21 = 1426548911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1426548913.

It is not an unprimeable number, because it can be changed into a prime (1426548911) 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, 3984595 + ... + 3984952.

It is an arithmetic number, because the mean of its divisors is an integer number (358629660).

Almost surely, 21426548913 is an apocalyptic number.

It is an amenable number.

1426548913 is a deficient number, since it is larger than the sum of its proper divisors (7969727).

1426548913 is an equidigital number, since it uses as much as digits as its factorization.

1426548913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969726.

The product of its digits is 207360, while the sum is 43.

The square root of 1426548913 is about 37769.6824582892. The cubic root of 1426548913 is about 1125.7161301832.

The spelling of 1426548913 in words is "one billion, four hundred twenty-six million, five hundred forty-eight thousand, nine hundred thirteen".

Divisors: 1 179 7969547 1426548913