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1426201637 = 7712869621
BaseRepresentation
bin101010100000010…
…0001110000100101
310200101122112211212
41111000201300211
510410101423022
6353304241205
750225341160
oct12500416045
93611575755
101426201637
11672065443
12339770205
131996238c3
14d75b2ad7
158531d3e2
hex55021c25

1426201637 has 8 divisors (see below), whose sum is σ = 1652902272. Its totient is φ = 1205240400.

The previous prime is 1426201619. The next prime is 1426201661. The reversal of 1426201637 is 7361026241.

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

It is not a de Polignac number, because 1426201637 - 214 = 1426185253 is a prime.

It is a super-2 number, since 2×14262016372 = 4068102218762959538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426201037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434314 + ... + 1435307.

It is an arithmetic number, because the mean of its divisors is an integer number (206612784).

Almost surely, 21426201637 is an apocalyptic number.

It is an amenable number.

1426201637 is a deficient number, since it is larger than the sum of its proper divisors (226700635).

1426201637 is an equidigital number, since it uses as much as digits as its factorization.

1426201637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869699.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1426201637 is about 37765.0848933244. The cubic root of 1426201637 is about 1125.6247754650.

Adding to 1426201637 its reverse (7361026241), we get a palindrome (8787227878).

The spelling of 1426201637 in words is "one billion, four hundred twenty-six million, two hundred one thousand, six hundred thirty-seven".

Divisors: 1 7 71 497 2869621 20087347 203743091 1426201637