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42795171 = 3217279707
BaseRepresentation
bin1010001101000…
…0000010100011
32222112012221100
42203100002203
541423421141
64125125443
71026516156
oct243200243
988465840
1042795171
112217a711
12123b9883
138b34bb3
14597dc9d
153b550b6
hex28d00a3

42795171 has 12 divisors (see below), whose sum is σ = 65451672. Its totient is φ = 26851776.

The previous prime is 42795167. The next prime is 42795173. The reversal of 42795171 is 17159724.

It is a happy number.

It is not a de Polignac number, because 42795171 - 22 = 42795167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42795173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139701 + ... + 140006.

It is an arithmetic number, because the mean of its divisors is an integer number (5454306).

Almost surely, 242795171 is an apocalyptic number.

42795171 is a deficient number, since it is larger than the sum of its proper divisors (22656501).

42795171 is a wasteful number, since it uses less digits than its factorization.

42795171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279730 (or 279727 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 42795171 is about 6541.8018160137. The cubic root of 42795171 is about 349.7826432765.

The spelling of 42795171 in words is "forty-two million, seven hundred ninety-five thousand, one hundred seventy-one".

Divisors: 1 3 9 17 51 153 279707 839121 2517363 4755019 14265057 42795171