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1000004201 = 7245744657
BaseRepresentation
bin111011100110101…
…101101001101001
32120200200110212122
4323212231221221
54022000113301
6243121321025
733531616100
oct7346555151
92520613778
101000004201
11473526a59
1223aa96175
1312c23c081
1496b4d037
155cbd281b
hex3b9ada69

1000004201 has 12 divisors (see below), whose sum is σ = 1165841748. Its totient is φ = 855251712.

The previous prime is 1000004123. The next prime is 1000004207. The reversal of 1000004201 is 1024000001.

It can be written as a sum of positive squares in 2 ways, for example, as 707560000 + 292444201 = 26600^2 + 17101^2 .

It is a de Polignac number, because none of the positive numbers 2k-1000004201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000004207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65 + ... + 44721.

It is an arithmetic number, because the mean of its divisors is an integer number (97153479).

Almost surely, 21000004201 is an apocalyptic number.

It is an amenable number.

1000004201 is a deficient number, since it is larger than the sum of its proper divisors (165837547).

1000004201 is an equidigital number, since it uses as much as digits as its factorization.

1000004201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45128 (or 45121 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1000004201 is about 31622.8430252563. The cubic root of 1000004201 is about 1000.0014003314.

Adding to 1000004201 its reverse (1024000001), we get a palindrome (2024004202).

The spelling of 1000004201 in words is "one billion, four thousand, two hundred one".

Divisors: 1 7 49 457 3199 22393 44657 312599 2188193 20408249 142857743 1000004201