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10308249 = 33754541
BaseRepresentation
bin100111010100…
…101010011001
3201101201021000
4213110222121
510114330444
61004535213
7153422130
oct47245231
921351230
1010308249
115900816
123551509
13219bc73
141524917
15d89469
hex9d4a99

10308249 has 16 divisors (see below), whose sum is σ = 17453440. Its totient is φ = 5890320.

The previous prime is 10308229. The next prime is 10308251. The reversal of 10308249 is 94280301.

10308249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10308249 - 27 = 10308121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10308229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27082 + ... + 27459.

It is an arithmetic number, because the mean of its divisors is an integer number (1090840).

Almost surely, 210308249 is an apocalyptic number.

It is an amenable number.

10308249 is a deficient number, since it is larger than the sum of its proper divisors (7145191).

10308249 is an equidigital number, since it uses as much as digits as its factorization.

10308249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54557 (or 54551 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10308249 is about 3210.6461966402. The cubic root of 10308249 is about 217.6347797209.

The spelling of 10308249 in words is "ten million, three hundred eight thousand, two hundred forty-nine".

Divisors: 1 3 7 9 21 27 63 189 54541 163623 381787 490869 1145361 1472607 3436083 10308249