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10389814 = 25194907
BaseRepresentation
bin100111101000…
…100100110110
3201112212010221
4213220210312
510124433224
61010404554
7154212001
oct47504466
921485127
1010389814
115957026
12359075a
1321ca126
141546538
15da36e4
hex9e8936

10389814 has 4 divisors (see below), whose sum is σ = 15584724. Its totient is φ = 5194906.

The previous prime is 10389803. The next prime is 10389817. The reversal of 10389814 is 41898301.

It is a happy number.

10389814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 10389814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10389817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2597452 + ... + 2597455.

It is an arithmetic number, because the mean of its divisors is an integer number (3896181).

Almost surely, 210389814 is an apocalyptic number.

10389814 is a deficient number, since it is larger than the sum of its proper divisors (5194910).

10389814 is an equidigital number, since it uses as much as digits as its factorization.

10389814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194909.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 10389814 is about 3223.3234401779. The cubic root of 10389814 is about 218.2072909758.

The spelling of 10389814 in words is "ten million, three hundred eighty-nine thousand, eight hundred fourteen".

Divisors: 1 2 5194907 10389814