Search a number
-
+
42072754 = 271296287
BaseRepresentation
bin1010000001111…
…1101010110010
32221011111222011
42200133222302
541232312004
64101433134
71020420043
oct240375262
987144864
1042072754
1121826979
121210b7aa
138941129
1458328ca
153a61004
hex281fab2

42072754 has 8 divisors (see below), whose sum is σ = 63998208. Its totient is φ = 20740020.

The previous prime is 42072731. The next prime is 42072763. The reversal of 42072754 is 45727024.

42072754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148002 + ... + 148285.

It is an arithmetic number, because the mean of its divisors is an integer number (7999776).

Almost surely, 242072754 is an apocalyptic number.

42072754 is a deficient number, since it is larger than the sum of its proper divisors (21925454).

42072754 is a wasteful number, since it uses less digits than its factorization.

42072754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296360.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 42072754 is about 6486.3513626692. The cubic root of 42072754 is about 347.8032588999.

Adding to 42072754 its reverse (45727024), we get a palindrome (87799778).

The spelling of 42072754 in words is "forty-two million, seventy-two thousand, seven hundred fifty-four".

Divisors: 1 2 71 142 296287 592574 21036377 42072754