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1422317809 = 111027112589
BaseRepresentation
bin101010011000110…
…1101100011110001
310200010100020020101
41110301231203301
510403103132214
6353045112401
750150334103
oct12461554361
93603306211
101422317809
1166a952470
123383b8701
13198893b93
14d6c81573
1584d02774
hex54c6d8f1

1422317809 has 8 divisors (see below), whose sum is σ = 1551893760. Its totient is φ = 1292787600.

The previous prime is 1422317761. The next prime is 1422317821. The reversal of 1422317809 is 9087132241.

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 1422317809 - 213 = 1422309617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422317849) 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, 106687 + ... + 119275.

It is an arithmetic number, because the mean of its divisors is an integer number (193986720).

Almost surely, 21422317809 is an apocalyptic number.

It is an amenable number.

1422317809 is a deficient number, since it is larger than the sum of its proper divisors (129575951).

1422317809 is a wasteful number, since it uses less digits than its factorization.

1422317809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22871.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1422317809 is about 37713.6289555911. The cubic root of 1422317809 is about 1124.6020805705.

The spelling of 1422317809 in words is "one billion, four hundred twenty-two million, three hundred seventeen thousand, eight hundred nine".

Divisors: 1 11 10271 12589 112981 138479 129301619 1422317809