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10093909 = 77918253
BaseRepresentation
bin100110100000…
…010101010101
3200222211020111
4212200111111
510041001114
61000203021
7151540210
oct46402525
920884214
1010093909
115774781
123469471
132125537
1414aa777
15d45bc4
hex9a0555

10093909 has 8 divisors (see below), whose sum is σ = 11682560. Its totient is φ = 8541936.

The previous prime is 10093901. The next prime is 10093939. The reversal of 10093909 is 90939001.

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 10093909 - 23 = 10093901 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 (10093901) 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, 8574 + ... + 9679.

It is an arithmetic number, because the mean of its divisors is an integer number (1460320).

Almost surely, 210093909 is an apocalyptic number.

It is an amenable number.

10093909 is a deficient number, since it is larger than the sum of its proper divisors (1588651).

10093909 is an equidigital number, since it uses as much as digits as its factorization.

10093909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18339.

The product of its (nonzero) digits is 2187, while the sum is 31.

The square root of 10093909 is about 3177.0912797715. The cubic root of 10093909 is about 216.1157715569.

The spelling of 10093909 in words is "ten million, ninety-three thousand, nine hundred nine".

Divisors: 1 7 79 553 18253 127771 1441987 10093909