Search a number
-
+
1031011442 = 21454335447
BaseRepresentation
bin111101011100111…
…111110001110010
32122212000210210222
4331130333301302
54102414331232
6250150053042
734356311156
oct7534776162
92585023728
101031011442
11489a8517a
1224934a182
131357a7656
149ad01066
15607a9d12
hex3d73fc72

1031011442 has 8 divisors (see below), whose sum is σ = 1546667136. Its totient is φ = 515455732.

The previous prime is 1031011441. The next prime is 1031011463. The reversal of 1031011442 is 2441101301.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1031011442.

It is not an unprimeable number, because it can be changed into a prime (1031011441) 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, 11363 + ... + 46809.

It is an arithmetic number, because the mean of its divisors is an integer number (193333392).

Almost surely, 21031011442 is an apocalyptic number.

1031011442 is a deficient number, since it is larger than the sum of its proper divisors (515655694).

1031011442 is a wasteful number, since it uses less digits than its factorization.

1031011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49992.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1031011442 is about 32109.3668888068. The cubic root of 1031011442 is about 1010.2320944901.

Adding to 1031011442 its reverse (2441101301), we get a palindrome (3472112743).

The spelling of 1031011442 in words is "one billion, thirty-one million, eleven thousand, four hundred forty-two".

Divisors: 1 2 14543 29086 35447 70894 515505721 1031011442