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1442068571 = 173117915287
BaseRepresentation
bin101010111110100…
…0011100001011011
310201111111200012002
41111331003201123
510423132143241
6355032311215
750510244356
oct12575034133
93644450162
101442068571
11680012509
12342b4250b
1319c9baa18
14d974329d
158690489b
hex55f4385b

1442068571 has 16 divisors (see below), whose sum is σ = 1585059840. Its totient is φ = 1306035840.

The previous prime is 1442068549. The next prime is 1442068577. The reversal of 1442068571 is 1758602441.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1442068571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442068577) 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 15 ways as a sum of consecutive naturals, for example, 86690 + ... + 101976.

It is an arithmetic number, because the mean of its divisors is an integer number (99066240).

Almost surely, 21442068571 is an apocalyptic number.

1442068571 is a deficient number, since it is larger than the sum of its proper divisors (142991269).

1442068571 is a wasteful number, since it uses less digits than its factorization.

1442068571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15514.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1442068571 is about 37974.5779568384. The cubic root of 1442068571 is about 1129.7836981241.

The spelling of 1442068571 in words is "one billion, four hundred forty-two million, sixty-eight thousand, five hundred seventy-one".

Divisors: 1 17 31 179 527 3043 5549 15287 94333 259879 473897 2736373 8056249 46518341 84827563 1442068571