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42642875 = 531131013
BaseRepresentation
bin1010001010101…
…0110110111011
32222020111000202
42202222312323
541404033000
64121552415
71025313152
oct242526673
988214022
1042642875
1122086250
121234570b
138ab0792
145940599
153b24dd5
hex28aadbb

42642875 has 16 divisors (see below), whose sum is σ = 58058208. Its totient is φ = 31012000.

The previous prime is 42642869. The next prime is 42642883. The reversal of 42642875 is 57824624.

It is not a de Polignac number, because 42642875 - 212 = 42638779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14132 + ... + 16881.

It is an arithmetic number, because the mean of its divisors is an integer number (3628638).

Almost surely, 242642875 is an apocalyptic number.

42642875 is a deficient number, since it is larger than the sum of its proper divisors (15415333).

42642875 is a wasteful number, since it uses less digits than its factorization.

42642875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31039 (or 31029 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 42642875 is about 6530.1512233638. The cubic root of 42642875 is about 349.3672240208.

The spelling of 42642875 in words is "forty-two million, six hundred forty-two thousand, eight hundred seventy-five".

Divisors: 1 5 11 25 55 125 275 1375 31013 155065 341143 775325 1705715 3876625 8528575 42642875