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10389943 = 137181419
BaseRepresentation
bin100111101000…
…100110110111
3201112212022201
4213220212313
510124434233
61010405331
7154212244
oct47504667
921485281
1010389943
115957133
123590847
1321ca1c5
1415465cb
15da377d
hex9e89b7

10389943 has 8 divisors (see below), whose sum is σ = 10548720. Its totient is φ = 10232640.

The previous prime is 10389937. The next prime is 10389983. The reversal of 10389943 is 34998301.

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 10389943 - 213 = 10381751 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 (10389913) 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, 24588 + ... + 25006.

It is an arithmetic number, because the mean of its divisors is an integer number (1318590).

Almost surely, 210389943 is an apocalyptic number.

10389943 is a deficient number, since it is larger than the sum of its proper divisors (158777).

10389943 is a wasteful number, since it uses less digits than its factorization.

10389943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 10389943 is about 3223.3434505184. The cubic root of 10389943 is about 218.2081940598.

The spelling of 10389943 in words is "ten million, three hundred eighty-nine thousand, nine hundred forty-three".

Divisors: 1 137 181 419 24797 57403 75839 10389943