Search a number
-
+
42068785 = 511764887
BaseRepresentation
bin1010000001111…
…0101100110001
32221011022112011
42200132230301
541232200120
64101402521
71020402343
oct240365461
987138464
1042068785
11218239a0
1212109441
13893c395
145831293
153a5ec5a
hex281eb31

42068785 has 8 divisors (see below), whose sum is σ = 55071936. Its totient is φ = 30595440.

The previous prime is 42068779. The next prime is 42068797. The reversal of 42068785 is 58786024.

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

It is not a de Polignac number, because 42068785 - 23 = 42068777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382389 + ... + 382498.

It is an arithmetic number, because the mean of its divisors is an integer number (6883992).

Almost surely, 242068785 is an apocalyptic number.

It is an amenable number.

42068785 is a deficient number, since it is larger than the sum of its proper divisors (13003151).

42068785 is a wasteful number, since it uses less digits than its factorization.

42068785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764903.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 42068785 is about 6486.0454053298. The cubic root of 42068785 is about 347.7923216986.

The spelling of 42068785 in words is "forty-two million, sixty-eight thousand, seven hundred eighty-five".

Divisors: 1 5 11 55 764887 3824435 8413757 42068785