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1000131441 = 3607549221
BaseRepresentation
bin111011100111001…
…100101101110001
32120200220221102020
4323213030231301
54022013201231
6243124142053
733532656051
oct7347145561
92520827366
101000131441
11473603611
1223ab37929
1312c284c6a
1496b83561
155cc0a396
hex3b9ccb71

1000131441 has 8 divisors (see below), whose sum is σ = 1335707904. Its totient is φ = 665654640.

The previous prime is 1000131397. The next prime is 1000131449. The reversal of 1000131441 is 1441310001.

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

It is not a de Polignac number, because 1000131441 - 211 = 1000129393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000131441.

It is not an unprimeable number, because it can be changed into a prime (1000131449) 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, 272790 + ... + 276431.

It is an arithmetic number, because the mean of its divisors is an integer number (166963488).

Almost surely, 21000131441 is an apocalyptic number.

It is an amenable number.

1000131441 is a deficient number, since it is larger than the sum of its proper divisors (335576463).

1000131441 is an equidigital number, since it uses as much as digits as its factorization.

1000131441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549831.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1000131441 is about 31624.8547980856. The cubic root of 1000131441 is about 1000.0438117472.

Adding to 1000131441 its reverse (1441310001), we get a palindrome (2441441442).

The spelling of 1000131441 in words is "one billion, one hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 3 607 1821 549221 1647663 333377147 1000131441