Search a number
-
+
42481772 = 22372391201
BaseRepresentation
bin1010001000001…
…1100001101100
32221221022000222
42202003201230
541333404042
64114310512
71024042364
oct242034154
987838028
1042481772
1121a86203
1212288438
138a55358
1458db9a4
153ae22d2
hex288386c

42481772 has 24 divisors (see below), whose sum is σ = 76735680. Its totient is φ = 20563200.

The previous prime is 42481771. The next prime is 42481801. The reversal of 42481772 is 27718424.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42481771) 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, 34772 + ... + 35972.

It is an arithmetic number, because the mean of its divisors is an integer number (3197320).

Almost surely, 242481772 is an apocalyptic number.

It is an amenable number.

42481772 is a deficient number, since it is larger than the sum of its proper divisors (34253908).

42481772 is a wasteful number, since it uses less digits than its factorization.

42481772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1479 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 42481772 is about 6517.8042314878. The cubic root of 42481772 is about 348.9267038737.

The spelling of 42481772 in words is "forty-two million, four hundred eighty-one thousand, seven hundred seventy-two".

Divisors: 1 2 4 37 74 148 239 478 956 1201 2402 4804 8843 17686 35372 44437 88874 177748 287039 574078 1148156 10620443 21240886 42481772