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10305157 = 61168937
BaseRepresentation
bin100111010011…
…111010000101
3201101120000111
4213103322011
510114231112
61004513021
7153410122
oct47237205
921346014
1010305157
1158a9465
12354b771
13219a735
141523749
15d885a7
hex9d3e85

10305157 has 4 divisors (see below), whose sum is σ = 10474156. Its totient is φ = 10136160.

The previous prime is 10305151. The next prime is 10305167. The reversal of 10305157 is 75150301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75150301 = 193955279.

It can be written as a sum of positive squares in 2 ways, for example, as 5982916 + 4322241 = 2446^2 + 2079^2 .

It is a cyclic number.

It is not a de Polignac number, because 10305157 - 23 = 10305149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305151) 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 3 ways as a sum of consecutive naturals, for example, 84408 + ... + 84529.

It is an arithmetic number, because the mean of its divisors is an integer number (2618539).

Almost surely, 210305157 is an apocalyptic number.

It is an amenable number.

10305157 is a deficient number, since it is larger than the sum of its proper divisors (168999).

10305157 is an equidigital number, since it uses as much as digits as its factorization.

10305157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168998.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 10305157 is about 3210.1646375225. The cubic root of 10305157 is about 217.6130174076.

Adding to 10305157 its reverse (75150301), we get a palindrome (85455458).

The spelling of 10305157 in words is "ten million, three hundred five thousand, one hundred fifty-seven".

Divisors: 1 61 168937 10305157