Search a number
-
+
42807304 = 2319281627
BaseRepresentation
bin1010001101001…
…1000000001000
32222112211120201
42203103000020
541424313204
64125301544
71026566431
oct243230010
988484521
1042807304
1122188841
12124048b4
138b3a587
145984488
153b589a4
hex28d3008

42807304 has 16 divisors (see below), whose sum is σ = 84488400. Its totient is φ = 20277072.

The previous prime is 42807287. The next prime is 42807307. The reversal of 42807304 is 40370824.

It is not an unprimeable number, because it can be changed into a prime (42807307) 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, 140662 + ... + 140965.

It is an arithmetic number, because the mean of its divisors is an integer number (5280525).

Almost surely, 242807304 is an apocalyptic number.

It is an amenable number.

42807304 is a deficient number, since it is larger than the sum of its proper divisors (41681096).

42807304 is a wasteful number, since it uses less digits than its factorization.

42807304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281652 (or 281648 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42807304 is about 6542.7290941930. The cubic root of 42807304 is about 349.8156961632.

The spelling of 42807304 in words is "forty-two million, eight hundred seven thousand, three hundred four".

Divisors: 1 2 4 8 19 38 76 152 281627 563254 1126508 2253016 5350913 10701826 21403652 42807304