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1424389087 = 11421307577
BaseRepresentation
bin101010011100110…
…0111001111011111
310200021020110111101
41110321213033133
510404120422322
6353201333531
750204051602
oct12471471737
93607213441
101424389087
11671037670
123390372a7
1319913a8a4
14d7260339
15850b1327
hex54e673df

1424389087 has 8 divisors (see below), whose sum is σ = 1557574992. Its totient is φ = 1291819200.

The previous prime is 1424389079. The next prime is 1424389117. The reversal of 1424389087 is 7809834241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1424389087 - 23 = 1424389079 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 (1424387087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149158 + ... + 158419.

It is an arithmetic number, because the mean of its divisors is an integer number (194696874).

Almost surely, 21424389087 is an apocalyptic number.

1424389087 is a deficient number, since it is larger than the sum of its proper divisors (133185905).

1424389087 is a wasteful number, since it uses less digits than its factorization.

1424389087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308009.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 1424389087 is about 37741.0795685550. The cubic root of 1424389087 is about 1125.1477236798.

It can be divided in two parts, 142438 and 9087, that added together give a triangular number (151525 = T550).

The spelling of 1424389087 in words is "one billion, four hundred twenty-four million, three hundred eighty-nine thousand, eighty-seven".

Divisors: 1 11 421 4631 307577 3383347 129489917 1424389087