Search a number
-
+
10305213 = 317202063
BaseRepresentation
bin100111010011…
…111010111101
3201101120002120
4213103322331
510114231323
61004513153
7153410232
oct47237275
921346076
1010305213
1158a9506
12354b7b9
13219a779
141523789
15d885e3
hex9d3ebd

10305213 has 8 divisors (see below), whose sum is σ = 14548608. Its totient is φ = 6465984.

The previous prime is 10305193. The next prime is 10305233. The reversal of 10305213 is 31250301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10305193) and next prime (10305233).

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

It is not a de Polignac number, because 10305213 - 25 = 10305181 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10305192 and 10305201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305233) 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, 100981 + ... + 101082.

It is an arithmetic number, because the mean of its divisors is an integer number (1818576).

Almost surely, 210305213 is an apocalyptic number.

It is an amenable number.

10305213 is a deficient number, since it is larger than the sum of its proper divisors (4243395).

10305213 is a wasteful number, since it uses less digits than its factorization.

10305213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202083.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 10305213 is about 3210.1733598047. The cubic root of 10305213 is about 217.6134115891.

Adding to 10305213 its reverse (31250301), we get a palindrome (41555514).

The spelling of 10305213 in words is "ten million, three hundred five thousand, two hundred thirteen".

Divisors: 1 3 17 51 202063 606189 3435071 10305213