Search a number
-
+
42070763 = 727271181
BaseRepresentation
bin1010000001111…
…1001011101011
32221011102020102
42200133023223
541232231023
64101420015
71020411200
oct240371353
987142212
1042070763
1121825429
121210a60b
138940257
145831ca7
153a60628
hex281f2eb

42070763 has 12 divisors (see below), whose sum is σ = 49048272. Its totient is φ = 35980560.

The previous prime is 42070757. The next prime is 42070771. The reversal of 42070763 is 36707024.

It is not a de Polignac number, because 42070763 - 24 = 42070747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42070723) 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, 35033 + ... + 36213.

It is an arithmetic number, because the mean of its divisors is an integer number (4087356).

Almost surely, 242070763 is an apocalyptic number.

42070763 is a deficient number, since it is larger than the sum of its proper divisors (6977509).

42070763 is a wasteful number, since it uses less digits than its factorization.

42070763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922 (or 1915 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 42070763 is about 6486.1978847396. The cubic root of 42070763 is about 347.7977724735.

Adding to 42070763 its reverse (36707024), we get a palindrome (78777787).

The spelling of 42070763 in words is "forty-two million, seventy thousand, seven hundred sixty-three".

Divisors: 1 7 49 727 1181 5089 8267 35623 57869 858587 6010109 42070763