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42488859 = 3743211223
BaseRepresentation
bin1010001000010…
…1010000011011
32221221122202110
42202011100123
541334120414
64114403403
71024102140
oct242052033
987848673
1042488859
1121a90566
1212290563
138a5864a
1459003c7
153ae4459
hex288541b

42488859 has 32 divisors (see below), whose sum is σ = 66863104. Its totient is φ = 23496480.

The previous prime is 42488851. The next prime is 42488861. The reversal of 42488859 is 95888424.

It is not a de Polignac number, because 42488859 - 23 = 42488851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42488851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190422 + ... + 190644.

It is an arithmetic number, because the mean of its divisors is an integer number (2089472).

Almost surely, 242488859 is an apocalyptic number.

42488859 is a deficient number, since it is larger than the sum of its proper divisors (24374245).

42488859 is a wasteful number, since it uses less digits than its factorization.

42488859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its digits is 737280, while the sum is 48.

The square root of 42488859 is about 6518.3478735029. The cubic root of 42488859 is about 348.9461059681.

The spelling of 42488859 in words is "forty-two million, four hundred eighty-eight thousand, eight hundred fifty-nine".

Divisors: 1 3 7 21 43 129 211 223 301 633 669 903 1477 1561 4431 4683 9073 9589 27219 28767 47053 63511 67123 141159 190533 201369 329371 988113 2023279 6069837 14162953 42488859