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42148863 = 331561069
BaseRepresentation
bin1010000011001…
…0001111111111
32221022101101000
42200302033333
541242230423
64103221343
71021154661
oct240621777
987271330
1042148863
1121879079
1212147853
138969973
145852531
153a78843
hex28323ff

42148863 has 8 divisors (see below), whose sum is σ = 62442800. Its totient is φ = 28099224.

The previous prime is 42148853. The next prime is 42148867. The reversal of 42148863 is 36884124.

It is not a de Polignac number, because 42148863 - 28 = 42148607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42148867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780508 + ... + 780561.

It is an arithmetic number, because the mean of its divisors is an integer number (7805350).

Almost surely, 242148863 is an apocalyptic number.

42148863 is a deficient number, since it is larger than the sum of its proper divisors (20293937).

42148863 is a wasteful number, since it uses less digits than its factorization.

42148863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561078 (or 1561072 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 42148863 is about 6492.2155694339. The cubic root of 42148863 is about 348.0128562432.

It can be divided in two parts, 421 and 48863, that added together give a square (49284 = 2222).

The spelling of 42148863 in words is "forty-two million, one hundred forty-eight thousand, eight hundred sixty-three".

Divisors: 1 3 9 27 1561069 4683207 14049621 42148863