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42398485 = 537229181
BaseRepresentation
bin1010000110111…
…1001100010101
32221210001210021
42201233030111
541323222420
64112425141
71023244513
oct241571425
987701707
1042398485
1121a29678
12122481b1
138a2647c
1458b94b3
153ac77aa
hex286f315

42398485 has 8 divisors (see below), whose sum is σ = 52253496. Its totient is φ = 33001920.

The previous prime is 42398449. The next prime is 42398497. The reversal of 42398485 is 58489324.

42398485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 19731364 + 22667121 = 4442^2 + 4761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42398485 - 29 = 42397973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114406 + ... + 114775.

It is an arithmetic number, because the mean of its divisors is an integer number (6531687).

Almost surely, 242398485 is an apocalyptic number.

It is an amenable number.

42398485 is a deficient number, since it is larger than the sum of its proper divisors (9855011).

42398485 is a wasteful number, since it uses less digits than its factorization.

42398485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229223.

The product of its digits is 276480, while the sum is 43.

The square root of 42398485 is about 6511.4119052629. The cubic root of 42398485 is about 348.6985270231.

The spelling of 42398485 in words is "forty-two million, three hundred ninety-eight thousand, four hundred eighty-five".

Divisors: 1 5 37 185 229181 1145905 8479697 42398485