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10315121 = 107149647
BaseRepresentation
bin100111010110…
…010101110001
3201102001200112
4213112111301
510120040441
61005031105
7153451145
oct47262561
921361615
1010315121
1159059a3
123555495
1321a212b
141527225
15d8b4eb
hex9d6571

10315121 has 8 divisors (see below), whose sum is σ = 10497600. Its totient is φ = 10134448.

The previous prime is 10315111. The next prime is 10315127. The reversal of 10315121 is 12151301.

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 10315121 - 214 = 10298737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10315096 and 10315105.

It is not an unprimeable number, because it can be changed into a prime (10315127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15620 + ... + 16266.

It is an arithmetic number, because the mean of its divisors is an integer number (1312200).

Almost surely, 210315121 is an apocalyptic number.

It is an amenable number.

10315121 is a deficient number, since it is larger than the sum of its proper divisors (182479).

10315121 is a wasteful number, since it uses less digits than its factorization.

10315121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 10315121 is about 3211.7162078864. The cubic root of 10315121 is about 217.6831310941.

Adding to 10315121 its reverse (12151301), we get a palindrome (22466422).

The spelling of 10315121 in words is "ten million, three hundred fifteen thousand, one hundred twenty-one".

Divisors: 1 107 149 647 15943 69229 96403 10315121