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1429279005 = 357111237471
BaseRepresentation
bin101010100110001…
…0001000100011101
310200121102220012110
41111030101010131
510411343412010
6353454224233
750263446120
oct12514210435
93617386173
101429279005
11673877520
1233a7b5079
1319a16052b
14d7b743b7
158572a120
hex5531111d

1429279005 has 32 divisors (see below), whose sum is σ = 2851135488. Its totient is φ = 593985600.

The previous prime is 1429278979. The next prime is 1429279013. The reversal of 1429279005 is 5009729241.

It is not a de Polignac number, because 1429279005 - 210 = 1429277981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617581 + ... + 619890.

It is an arithmetic number, because the mean of its divisors is an integer number (89097984).

Almost surely, 21429279005 is an apocalyptic number.

1429279005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1429279005 is a deficient number, since it is larger than the sum of its proper divisors (1421856483).

1429279005 is a wasteful number, since it uses less digits than its factorization.

1429279005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237497.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1429279005 is about 37805.8064984732. The cubic root of 1429279005 is about 1126.4337945914.

The spelling of 1429279005 in words is "one billion, four hundred twenty-nine million, two hundred seventy-nine thousand, five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 1237471 3712413 6187355 8662297 13612181 18562065 25986891 40836543 43311485 68060905 95285267 129934455 204182715 285855801 476426335 1429279005