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10308389 = 713113279
BaseRepresentation
bin100111010100…
…101100100101
3201101201110012
4213110230211
510114332024
61004540005
7153422420
oct47245445
921351405
1010308389
115900933
123551605
13219c050
1415249b7
15d8950e
hex9d4b25

10308389 has 8 divisors (see below), whose sum is σ = 12687360. Its totient is φ = 8156016.

The previous prime is 10308383. The next prime is 10308391. The reversal of 10308389 is 98380301.

10308389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10308389 - 24 = 10308373 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10308383) 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, 56549 + ... + 56730.

It is an arithmetic number, because the mean of its divisors is an integer number (1585920).

Almost surely, 210308389 is an apocalyptic number.

It is an amenable number.

10308389 is a deficient number, since it is larger than the sum of its proper divisors (2378971).

10308389 is a wasteful number, since it uses less digits than its factorization.

10308389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113299.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 10308389 is about 3210.6679990307. The cubic root of 10308389 is about 217.6357649749.

The spelling of 10308389 in words is "ten million, three hundred eight thousand, three hundred eighty-nine".

Divisors: 1 7 13 91 113279 792953 1472627 10308389