Search a number
-
+
571630042 = 21999142979
BaseRepresentation
bin100010000100100…
…110000111011010
31110211121211000001
4202010212013122
52132314130132
6132420003214
720110526614
oct4204460732
91424554001
10571630042
11273741125
1213b53050a
1391574839
1455cbddb4
15352b6ce7
hex221261da

571630042 has 8 divisors (see below), whose sum is σ = 857880000. Its totient is φ = 285670044.

The previous prime is 571630039. The next prime is 571630043. The reversal of 571630042 is 240036175.

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

It is not an unprimeable number, because it can be changed into a prime (571630043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67492 + ... + 75487.

It is an arithmetic number, because the mean of its divisors is an integer number (107235000).

Almost surely, 2571630042 is an apocalyptic number.

571630042 is a deficient number, since it is larger than the sum of its proper divisors (286249958).

571630042 is a wasteful number, since it uses less digits than its factorization.

571630042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144980.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 571630042 is about 23908.7858746529. The cubic root of 571630042 is about 829.9240468553.

The spelling of 571630042 in words is "five hundred seventy-one million, six hundred thirty thousand, forty-two".

Divisors: 1 2 1999 3998 142979 285958 285815021 571630042