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1420653227 = 7228992923
BaseRepresentation
bin101010010101101…
…0111001010101011
310200000012122212012
41110223113022223
510402141400402
6352545310135
750130232100
oct12453271253
93600178765
101420653227
11669a15884
1233793534b
13198430316
14d696aaa7
1584ac4452
hex54ad72ab

1420653227 has 6 divisors (see below), whose sum is σ = 1652596668. Its totient is φ = 1217702724.

The previous prime is 1420653209. The next prime is 1420653233. The reversal of 1420653227 is 7223560241.

It is not a de Polignac number, because 1420653227 - 26 = 1420653163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1420653193 and 1420653202.

It is not an unprimeable number, because it can be changed into a prime (1420653257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14496413 + ... + 14496510.

It is an arithmetic number, because the mean of its divisors is an integer number (275432778).

Almost surely, 21420653227 is an apocalyptic number.

1420653227 is a deficient number, since it is larger than the sum of its proper divisors (231943441).

1420653227 is an equidigital number, since it uses as much as digits as its factorization.

1420653227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28992937 (or 28992930 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1420653227 is about 37691.5537886142. The cubic root of 1420653227 is about 1124.1631905823.

The spelling of 1420653227 in words is "one billion, four hundred twenty million, six hundred fifty-three thousand, two hundred twenty-seven".

Divisors: 1 7 49 28992923 202950461 1420653227