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42159008 = 253142499
BaseRepresentation
bin1010000011010…
…0101110100000
32221022220021202
42200310232200
541243042013
64103340332
71021226363
oct240645640
987286252
1042159008
1121885761
12121516a8
138971478
1458560da
153a7b858
hex2834ba0

42159008 has 24 divisors (see below), whose sum is σ = 85680000. Its totient is φ = 20399040.

The previous prime is 42159001. The next prime is 42159059. The reversal of 42159008 is 80095124.

It is not an unprimeable number, because it can be changed into a prime (42159001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20258 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (3570000).

Almost surely, 242159008 is an apocalyptic number.

It is an amenable number.

42159008 is an abundant number, since it is smaller than the sum of its proper divisors (43520992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42159008 is a wasteful number, since it uses less digits than its factorization.

42159008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42540 (or 42532 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 42159008 is about 6492.9968427530. The cubic root of 42159008 is about 348.0407755982.

The spelling of 42159008 in words is "forty-two million, one hundred fifty-nine thousand, eight".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 42499 84998 169996 339992 679984 1317469 1359968 2634938 5269876 10539752 21079504 42159008