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42584461 = 143329717
BaseRepresentation
bin1010001001110…
…0100110001101
32222010111220021
42202130212031
541400200321
64120422141
71024650643
oct242344615
988114807
1042584461
1122046377
1212317951
138a9000a
145927193
153b12941
hex289c98d

42584461 has 4 divisors (see below), whose sum is σ = 42615612. Its totient is φ = 42553312.

The previous prime is 42584429. The next prime is 42584501. The reversal of 42584461 is 16448524.

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 35772361 + 6812100 = 5981^2 + 2610^2 .

It is a cyclic number.

It is not a de Polignac number, because 42584461 - 25 = 42584429 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 (42584411) 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, 13426 + ... + 16291.

It is an arithmetic number, because the mean of its divisors is an integer number (10653903).

Almost surely, 242584461 is an apocalyptic number.

It is an amenable number.

42584461 is a deficient number, since it is larger than the sum of its proper divisors (31151).

42584461 is a wasteful number, since it uses less digits than its factorization.

42584461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31150.

The product of its digits is 30720, while the sum is 34.

The square root of 42584461 is about 6525.6770529961. The cubic root of 42584461 is about 349.2076251611.

The spelling of 42584461 in words is "forty-two million, five hundred eighty-four thousand, four hundred sixty-one".

Divisors: 1 1433 29717 42584461