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10386438 = 231731073
BaseRepresentation
bin100111100111…
…110000000110
3201112200111220
4213213300012
510124331223
61010341210
7154166106
oct47476006
921480456
1010386438
115954537
12358a806
1321c872a
141545206
15da26e3
hex9e7c06

10386438 has 8 divisors (see below), whose sum is σ = 20772888. Its totient is φ = 3462144.

The previous prime is 10386427. The next prime is 10386443. The reversal of 10386438 is 83468301.

10386438 is digitally balanced in base 2 and base 4, because in such bases 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.

10386438 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10386399 and 10386408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865531 + ... + 865542.

It is an arithmetic number, because the mean of its divisors is an integer number (2596611).

Almost surely, 210386438 is an apocalyptic number.

10386438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10386438 is a wasteful number, since it uses less digits than its factorization.

10386438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731078.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 10386438 is about 3222.7997145339. The cubic root of 10386438 is about 218.1836541197.

The spelling of 10386438 in words is "ten million, three hundred eighty-six thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 1731073 3462146 5193219 10386438