Search a number
-
+
1000231441 = 11811112121
BaseRepresentation
bin111011100111100…
…101001000010001
32120201010000120221
4323213211020101
54022024401231
6243130233041
733533553436
oct7347451021
92521100527
101000231441
11473671760
1223ab85781
1312c2bb631
1496babb8d
155cc29d11
hex3b9e5211

1000231441 has 8 divisors (see below), whose sum is σ = 1092516768. Its totient is φ = 908172000.

The previous prime is 1000231439. The next prime is 1000231451. The reversal of 1000231441 is 1441320001.

1000231441 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 a cyclic number.

It is not a de Polignac number, because 1000231441 - 21 = 1000231439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000231451) 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, 47140 + ... + 64981.

It is an arithmetic number, because the mean of its divisors is an integer number (136564596).

Almost surely, 21000231441 is an apocalyptic number.

1000231441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000231441 is a deficient number, since it is larger than the sum of its proper divisors (92285327).

1000231441 is a wasteful number, since it uses less digits than its factorization.

1000231441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112943.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1000231441 is about 31626.4357934940. The cubic root of 1000231441 is about 1000.0771410491.

Adding to 1000231441 its reverse (1441320001), we get a palindrome (2441551442).

The spelling of 1000231441 in words is "one billion, two hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 11 811 8921 112121 1233331 90930131 1000231441