Search a number
-
+
1042401443 = 31316310631
BaseRepresentation
bin111110001000011…
…100100010100011
32200122110110221212
4332020130202203
54113323321233
6251234140335
734555160156
oct7610344243
92618413855
101042401443
114954546a6
122511216ab
13137c64ab5
149c627c9d
15617a9a48
hex3e21c8a3

1042401443 has 8 divisors (see below), whose sum is σ = 1076468736. Its totient is φ = 1008361800.

The previous prime is 1042401431. The next prime is 1042401487. The reversal of 1042401443 is 3441042401.

It is a happy number.

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

It is not a de Polignac number, because 1042401443 - 210 = 1042400419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042401043) 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, 92738 + ... + 103368.

It is an arithmetic number, because the mean of its divisors is an integer number (134558592).

Almost surely, 21042401443 is an apocalyptic number.

1042401443 is a deficient number, since it is larger than the sum of its proper divisors (34067293).

1042401443 is a wasteful number, since it uses less digits than its factorization.

1042401443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13825.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1042401443 is about 32286.2423177427. The cubic root of 1042401443 is about 1013.9386263390.

Adding to 1042401443 its reverse (3441042401), we get a palindrome (4483443844).

The spelling of 1042401443 in words is "one billion, forty-two million, four hundred one thousand, four hundred forty-three".

Divisors: 1 31 3163 10631 98053 329561 33625853 1042401443