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10389644 = 229912621
BaseRepresentation
bin100111101000…
…100010001100
3201112211220122
4213220202030
510124432034
61010404112
7154211336
oct47504214
921484818
1010389644
115956991
123590638
1321ca025
141546456
15da362e
hex9e888c

10389644 has 12 divisors (see below), whose sum is σ = 18207168. Its totient is φ = 5187600.

The previous prime is 10389607. The next prime is 10389647. The reversal of 10389644 is 44698301.

It is not an unprimeable number, because it can be changed into a prime (10389647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654 + ... + 5274.

It is an arithmetic number, because the mean of its divisors is an integer number (1517264).

Almost surely, 210389644 is an apocalyptic number.

It is an amenable number.

10389644 is a deficient number, since it is larger than the sum of its proper divisors (7817524).

10389644 is a wasteful number, since it uses less digits than its factorization.

10389644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616 (or 3614 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 10389644 is about 3223.2970697719. The cubic root of 10389644 is about 218.2061008537.

The spelling of 10389644 in words is "ten million, three hundred eighty-nine thousand, six hundred forty-four".

Divisors: 1 2 4 991 1982 2621 3964 5242 10484 2597411 5194822 10389644