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42566245 = 515715419
BaseRepresentation
bin1010001001100…
…0001001100101
32222002120220121
42202120021211
541344104440
64120201541
71024543561
oct242301145
988076817
1042566245
1122033717
12123092b1
138a84937
1459206a1
153b0c34a
hex2898265

42566245 has 8 divisors (see below), whose sum is σ = 51121440. Its totient is φ = 34025040.

The previous prime is 42566231. The next prime is 42566257. The reversal of 42566245 is 54266524.

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

It is a de Polignac number, because none of the positive numbers 2k-42566245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42566245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5146 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (6390180).

Almost surely, 242566245 is an apocalyptic number.

It is an amenable number.

42566245 is a deficient number, since it is larger than the sum of its proper divisors (8555195).

42566245 is a wasteful number, since it uses less digits than its factorization.

42566245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6995.

The product of its digits is 57600, while the sum is 34.

The square root of 42566245 is about 6524.2811864603. The cubic root of 42566245 is about 349.1578255145.

It can be divided in two parts, 4256 and 6245, that added together give a palindrome (10501).

The spelling of 42566245 in words is "forty-two million, five hundred sixty-six thousand, two hundred forty-five".

Divisors: 1 5 1571 5419 7855 27095 8513249 42566245