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10308945 = 352329881
BaseRepresentation
bin100111010100…
…110101010001
3201101202012210
4213110311101
510114341240
61004542333
7153424143
oct47246521
921352183
1010308945
115901299
1235519a9
13219c38a
141524c93
15d89780
hex9d4d51

10308945 has 16 divisors (see below), whose sum is σ = 17212032. Its totient is φ = 5258880.

The previous prime is 10308941. The next prime is 10308967. The reversal of 10308945 is 54980301.

10308945 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10308945 - 22 = 10308941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10308941) 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, 14596 + ... + 15285.

It is an arithmetic number, because the mean of its divisors is an integer number (1075752).

Almost surely, 210308945 is an apocalyptic number.

10308945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10308945 is a deficient number, since it is larger than the sum of its proper divisors (6903087).

10308945 is a wasteful number, since it uses less digits than its factorization.

10308945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29912.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 10308945 is about 3210.7545842060. The cubic root of 10308945 is about 217.6396777528.

The spelling of 10308945 in words is "ten million, three hundred eight thousand, nine hundred forty-five".

Divisors: 1 3 5 15 23 69 115 345 29881 89643 149405 448215 687263 2061789 3436315 10308945