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1424542387 = 1783796611
BaseRepresentation
bin101010011101000…
…1100101010110011
310200021112020210011
41110322030222303
510404140324022
6353204515351
750205260542
oct12472145263
93607466704
101424542387
11671131864
123390abb57
131991925b8
14d72a0159
15850e1977
hex54e8cab3

1424542387 has 4 divisors (see below), whose sum is σ = 1508339016. Its totient is φ = 1340745760.

The previous prime is 1424542381. The next prime is 1424542391. The reversal of 1424542387 is 7832454241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1424542387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424542381) 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, 41898289 + ... + 41898322.

It is an arithmetic number, because the mean of its divisors is an integer number (377084754).

Almost surely, 21424542387 is an apocalyptic number.

1424542387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1424542387 is a deficient number, since it is larger than the sum of its proper divisors (83796629).

1424542387 is an equidigital number, since it uses as much as digits as its factorization.

1424542387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83796628.

The product of its digits is 215040, while the sum is 40.

The square root of 1424542387 is about 37743.1104574067. The cubic root of 1424542387 is about 1125.1880869391.

The spelling of 1424542387 in words is "one billion, four hundred twenty-four million, five hundred forty-two thousand, three hundred eighty-seven".

Divisors: 1 17 83796611 1424542387