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10308772 = 22971632
BaseRepresentation
bin100111010100…
…110010100100
3201101201222101
4213110302210
510114340042
61004541444
7153423505
oct47246244
921351871
1010308772
115901151
123551884
13219c286
141524bac
15d896b7
hex9d4ca4

10308772 has 18 divisors (see below), whose sum is σ = 18338838. Its totient is φ = 5069952.

The previous prime is 10308769. The next prime is 10308791. The reversal of 10308772 is 27780301.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8608356 + 1700416 = 2934^2 + 1304^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 10308772.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63163 + ... + 63325.

Almost surely, 210308772 is an apocalyptic number.

It is an amenable number.

10308772 is a deficient number, since it is larger than the sum of its proper divisors (8030066).

10308772 is an equidigital number, since it uses as much as digits as its factorization.

10308772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 10308772 is about 3210.7276433855. The cubic root of 10308772 is about 217.6384603028.

The spelling of 10308772 in words is "ten million, three hundred eight thousand, seven hundred seventy-two".

Divisors: 1 2 4 97 163 194 326 388 652 15811 26569 31622 53138 63244 106276 2577193 5154386 10308772