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42648670 = 2523185429
BaseRepresentation
bin1010001010110…
…0010001011110
32222020202222101
42202230101132
541404224140
64122035314
71025336101
oct242542136
988222871
1042648670
112208a639
1212348b3a
138ab32cc
145942738
153b2699a
hex28ac45e

42648670 has 16 divisors (see below), whose sum is σ = 80105760. Its totient is φ = 16317664.

The previous prime is 42648667. The next prime is 42648677. The reversal of 42648670 is 7684624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42648677) 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, 92485 + ... + 92944.

It is an arithmetic number, because the mean of its divisors is an integer number (5006610).

Almost surely, 242648670 is an apocalyptic number.

42648670 is a deficient number, since it is larger than the sum of its proper divisors (37457090).

42648670 is a wasteful number, since it uses less digits than its factorization.

42648670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185459.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 42648670 is about 6530.5949193010. The cubic root of 42648670 is about 349.3830491840.

The spelling of 42648670 in words is "forty-two million, six hundred forty-eight thousand, six hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 185429 370858 927145 1854290 4264867 8529734 21324335 42648670