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42485511 = 315193787
BaseRepresentation
bin1010001000010…
…0011100000111
32221221111011110
42202010130013
541334014021
64114340103
71024056315
oct242043407
987844143
1042485511
1121a88aa2
121228a633
138a56c73
1458dd0b5
153ae3476
hex2884707

42485511 has 8 divisors (see below), whose sum is σ = 57023104. Its totient is φ = 28135800.

The previous prime is 42485497. The next prime is 42485537. The reversal of 42485511 is 11558424.

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

It is not a de Polignac number, because 42485511 - 25 = 42485479 is a prime.

It is a super-2 number, since 2×424855112 = 3610037289862242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42485561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46441 + ... + 47346.

It is an arithmetic number, because the mean of its divisors is an integer number (7127888).

Almost surely, 242485511 is an apocalyptic number.

42485511 is a deficient number, since it is larger than the sum of its proper divisors (14537593).

42485511 is a wasteful number, since it uses less digits than its factorization.

42485511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93941.

The product of its digits is 6400, while the sum is 30.

The square root of 42485511 is about 6518.0910549025. The cubic root of 42485511 is about 348.9369404106.

The spelling of 42485511 in words is "forty-two million, four hundred eighty-five thousand, five hundred eleven".

Divisors: 1 3 151 453 93787 281361 14161837 42485511