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42524783 = 76074969
BaseRepresentation
bin1010001000111…
…0000001101111
32222000111000222
42202032001233
541341243113
64115241555
71024311650
oct242160157
988014028
1042524783
1122005554
12122a92bb
138a6bac2
14590d527
153aeee08
hex288e06f

42524783 has 4 divisors (see below), whose sum is σ = 48599760. Its totient is φ = 36449808.

The previous prime is 42524773. The next prime is 42524791. The reversal of 42524783 is 38742524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42524783 - 24 = 42524767 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42524743) 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, 3037478 + ... + 3037491.

It is an arithmetic number, because the mean of its divisors is an integer number (12149940).

Almost surely, 242524783 is an apocalyptic number.

42524783 is a deficient number, since it is larger than the sum of its proper divisors (6074977).

42524783 is an equidigital number, since it uses as much as digits as its factorization.

42524783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6074976.

The product of its digits is 53760, while the sum is 35.

The square root of 42524783 is about 6521.1028975166. The cubic root of 42524783 is about 349.0444220049.

The spelling of 42524783 in words is "forty-two million, five hundred twenty-four thousand, seven hundred eighty-three".

Divisors: 1 7 6074969 42524783