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1000524121 = 2983733533
BaseRepresentation
bin111011101000101…
…100100101011001
32120201122220001221
4323220230211121
54022113232441
6243140412041
733536212642
oct7350544531
92521586057
101000524121
11473851643
1223b0a7021
1312c39190c
1496c466c9
155cc868d1
hex3ba2c959

1000524121 has 4 divisors (see below), whose sum is σ = 1000587492. Its totient is φ = 1000460752.

The previous prime is 1000524113. The next prime is 1000524139. The reversal of 1000524121 is 1214250001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1214250001 = 6863176927.

It can be written as a sum of positive squares in 2 ways, for example, as 367297225 + 633226896 = 19165^2 + 25164^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000524121 - 23 = 1000524113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000524095 and 1000524104.

It is not an unprimeable number, because it can be changed into a prime (1000524521) 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, 13071 + ... + 46603.

It is an arithmetic number, because the mean of its divisors is an integer number (250146873).

Almost surely, 21000524121 is an apocalyptic number.

It is an amenable number.

1000524121 is a deficient number, since it is larger than the sum of its proper divisors (63371).

1000524121 is an equidigital number, since it uses as much as digits as its factorization.

1000524121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63370.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1000524121 is about 31631.0625967576. The cubic root of 1000524121 is about 1000.1746764863.

Adding to 1000524121 its reverse (1214250001), we get a palindrome (2214774122).

The spelling of 1000524121 in words is "one billion, five hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 29837 33533 1000524121