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42822871 = 7131632887
BaseRepresentation
bin1010001101011…
…0110011010111
32222120121221021
42203112303113
541430312441
64125502011
71026663010
oct243266327
988517837
1042822871
1122199503
1212411907
138b446a0
14598a007
153b5d3d1
hex28d6cd7

42822871 has 16 divisors (see below), whose sum is σ = 53046784. Its totient is φ = 33662304.

The previous prime is 42822839. The next prime is 42822877. The reversal of 42822871 is 17822824.

It is not a de Polignac number, because 42822871 - 25 = 42822839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42822877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13390 + ... + 16276.

It is an arithmetic number, because the mean of its divisors is an integer number (3315424).

Almost surely, 242822871 is an apocalyptic number.

42822871 is a deficient number, since it is larger than the sum of its proper divisors (10223913).

42822871 is a wasteful number, since it uses less digits than its factorization.

42822871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070.

The product of its digits is 14336, while the sum is 34.

The square root of 42822871 is about 6543.9186272447. The cubic root of 42822871 is about 349.8580948542.

The spelling of 42822871 in words is "forty-two million, eight hundred twenty-two thousand, eight hundred seventy-one".

Divisors: 1 7 13 91 163 1141 2119 2887 14833 20209 37531 262717 470581 3294067 6117553 42822871