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42813801 = 3214233343
BaseRepresentation
bin1010001101010…
…0100101101001
32222120011111100
42203110211221
541430020201
64125352013
71026624402
oct243244551
988504440
1042813801
1122192708
1212408609
138b40514
1459869a9
153b5a886
hex28d4969

42813801 has 12 divisors (see below), whose sum is σ = 61904128. Its totient is φ = 28513944.

The previous prime is 42813751. The next prime is 42813811. The reversal of 42813801 is 10831824.

42813801 is a `hidden beast` number, since 4 + 281 + 380 + 1 = 666.

It is not a de Polignac number, because 42813801 - 218 = 42551657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42813811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11136 + ... + 14478.

Almost surely, 242813801 is an apocalyptic number.

It is an amenable number.

42813801 is a deficient number, since it is larger than the sum of its proper divisors (19090327).

42813801 is a wasteful number, since it uses less digits than its factorization.

42813801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772 (or 4769 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 42813801 is about 6543.2255807056. The cubic root of 42813801 is about 349.8333928130.

The spelling of 42813801 in words is "forty-two million, eight hundred thirteen thousand, eight hundred one".

Divisors: 1 3 9 1423 3343 4269 10029 12807 30087 4757089 14271267 42813801