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10135217 = 52319379
BaseRepresentation
bin100110101010…
…011010110001
3201001220220102
4212222122301
510043311332
61001122145
7152101511
oct46523261
921056812
1010135217
1157a2814
123489355
13213b291
1414bb841
15d53062
hex9aa6b1

10135217 has 4 divisors (see below), whose sum is σ = 10155120. Its totient is φ = 10115316.

The previous prime is 10135201. The next prime is 10135219. The reversal of 10135217 is 71253101.

10135217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71253101 = 593120157.

It is a cyclic number.

It is not a de Polignac number, because 10135217 - 24 = 10135201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10135219) 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, 9167 + ... + 10212.

It is an arithmetic number, because the mean of its divisors is an integer number (2538780).

Almost surely, 210135217 is an apocalyptic number.

It is an amenable number.

10135217 is a deficient number, since it is larger than the sum of its proper divisors (19903).

10135217 is an equidigital number, since it uses as much as digits as its factorization.

10135217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19902.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 10135217 is about 3183.5855571980. The cubic root of 10135217 is about 216.4101788063.

Adding to 10135217 its reverse (71253101), we get a palindrome (81388318).

The spelling of 10135217 in words is "ten million, one hundred thirty-five thousand, two hundred seventeen".

Divisors: 1 523 19379 10135217