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42650486 = 248743789
BaseRepresentation
bin1010001010110…
…0101101110110
32222020212110122
42202230231312
541404303421
64122051542
71025344304
oct242545566
988225418
1042650486
1122090a3a
1212349bb2
138ab4098
145943274
153b272ab
hex28acb76

42650486 has 8 divisors (see below), whose sum is σ = 64108560. Its totient is φ = 21280968.

The previous prime is 42650483. The next prime is 42650507. The reversal of 42650486 is 68405624.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42650483) 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, 20921 + ... + 22868.

It is an arithmetic number, because the mean of its divisors is an integer number (8013570).

Almost surely, 242650486 is an apocalyptic number.

42650486 is a deficient number, since it is larger than the sum of its proper divisors (21458074).

42650486 is a wasteful number, since it uses less digits than its factorization.

42650486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44278.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 42650486 is about 6530.7339556898. The cubic root of 42650486 is about 349.3880080773.

The spelling of 42650486 in words is "forty-two million, six hundred fifty thousand, four hundred eighty-six".

Divisors: 1 2 487 974 43789 87578 21325243 42650486