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42680624 = 247381077
BaseRepresentation
bin1010001011010…
…0000100110000
32222022101210212
42202310010300
541411234444
64122443252
71025531210
oct242640460
988271725
1042680624
1122101648
1212363528
138ac4a0c
145950240
153b3119e
hex28b4130

42680624 has 20 divisors (see below), whose sum is σ = 94507344. Its totient is φ = 18291648.

The previous prime is 42680623. The next prime is 42680629. The reversal of 42680624 is 42608624.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42680621) 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, 190427 + ... + 190650.

Almost surely, 242680624 is an apocalyptic number.

It is an amenable number.

42680624 is an abundant number, since it is smaller than the sum of its proper divisors (51826720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42680624 is a wasteful number, since it uses less digits than its factorization.

42680624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381092 (or 381086 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 42680624 is about 6533.0409458383. The cubic root of 42680624 is about 349.4702844084.

The spelling of 42680624 in words is "forty-two million, six hundred eighty thousand, six hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 381077 762154 1524308 2667539 3048616 5335078 6097232 10670156 21340312 42680624