[go: up one dir, main page]

Search a number
-
+
42027655 = 517494443
BaseRepresentation
bin1010000001010…
…0101010000111
32221002020002211
42200110222013
541224341110
64100444251
71020141415
oct240245207
987066084
1042027655
11217a5aaa
12120a9687
138926747
1458202b5
153a5298a
hex2814a87

42027655 has 8 divisors (see below), whose sum is σ = 53399952. Its totient is φ = 31644288.

The previous prime is 42027653. The next prime is 42027673. The reversal of 42027655 is 55672024.

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

It is a cyclic number.

It is not a de Polignac number, because 42027655 - 21 = 42027653 is a prime.

It is a super-3 number, since 3×420276553 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42027653) 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, 247137 + ... + 247306.

It is an arithmetic number, because the mean of its divisors is an integer number (6674994).

Almost surely, 242027655 is an apocalyptic number.

42027655 is a deficient number, since it is larger than the sum of its proper divisors (11372297).

42027655 is a wasteful number, since it uses less digits than its factorization.

42027655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494465.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 42027655 is about 6482.8739768717. The cubic root of 42027655 is about 347.6789410170.

Adding to 42027655 its reverse (55672024), we get a palindrome (97699679).

The spelling of 42027655 in words is "forty-two million, twenty-seven thousand, six hundred fifty-five".

Divisors: 1 5 17 85 494443 2472215 8405531 42027655