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42586253 = 104940597
BaseRepresentation
bin1010001001110…
…1000010001101
32222010121100122
42202131002031
541400230003
64120434325
71024656113
oct242350215
988117318
1042586253
1122047756
12123189a5
138a90a88
145927ab3
153b13238
hex289d08d

42586253 has 4 divisors (see below), whose sum is σ = 42627900. Its totient is φ = 42544608.

The previous prime is 42586237. The next prime is 42586261. The reversal of 42586253 is 35268524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40475044 + 2111209 = 6362^2 + 1453^2 .

It is a cyclic number.

It is not a de Polignac number, because 42586253 - 24 = 42586237 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 (42586283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19250 + ... + 21347.

It is an arithmetic number, because the mean of its divisors is an integer number (10656975).

Almost surely, 242586253 is an apocalyptic number.

It is an amenable number.

42586253 is a deficient number, since it is larger than the sum of its proper divisors (41647).

42586253 is a wasteful number, since it uses less digits than its factorization.

42586253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41646.

The product of its digits is 57600, while the sum is 35.

The square root of 42586253 is about 6525.8143553123. The cubic root of 42586253 is about 349.2125234368.

The spelling of 42586253 in words is "forty-two million, five hundred eighty-six thousand, two hundred fifty-three".

Divisors: 1 1049 40597 42586253