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42590485 = 571216871
BaseRepresentation
bin1010001001111…
…0000100010101
32222010211011101
42202132010111
541400343420
64120510101
71025004340
oct242360425
988124141
1042590485
112204a953
121231b331
138a92992
145929457
153b1460a
hex289e115

42590485 has 8 divisors (see below), whose sum is σ = 58409856. Its totient is φ = 29204880.

The previous prime is 42590479. The next prime is 42590543. The reversal of 42590485 is 58409524.

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

It is not a de Polignac number, because 42590485 - 23 = 42590477 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608401 + ... + 608470.

It is an arithmetic number, because the mean of its divisors is an integer number (7301232).

Almost surely, 242590485 is an apocalyptic number.

It is an amenable number.

42590485 is a deficient number, since it is larger than the sum of its proper divisors (15819371).

42590485 is a wasteful number, since it uses less digits than its factorization.

42590485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216883.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 42590485 is about 6526.1385979766. The cubic root of 42590485 is about 349.2240906942.

The spelling of 42590485 in words is "forty-two million, five hundred ninety thousand, four hundred eighty-five".

Divisors: 1 5 7 35 1216871 6084355 8518097 42590485