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10390086 = 233727487
BaseRepresentation
bin100111101000…
…101001000110
3201112212112000
4213220221012
510124440321
61010410130
7154212540
oct47505106
921485460
1010390086
115957253
123590946
1321ca2a5
141546690
15da3826
hex9e8a46

10390086 has 32 divisors (see below), whose sum is σ = 26388480. Its totient is φ = 2968488.

The previous prime is 10390063. The next prime is 10390087. The reversal of 10390086 is 68009301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10390087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13366 + ... + 14121.

It is an arithmetic number, because the mean of its divisors is an integer number (824640).

Almost surely, 210390086 is an apocalyptic number.

10390086 is an abundant number, since it is smaller than the sum of its proper divisors (15998394).

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

10390086 is a wasteful number, since it uses less digits than its factorization.

10390086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27505 (or 27499 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10390086 is about 3223.3656323787. The cubic root of 10390086 is about 218.2091951442.

Adding to 10390086 its reverse (68009301), we get a palindrome (78399387).

The spelling of 10390086 in words is "ten million, three hundred ninety thousand, eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 27487 54974 82461 164922 192409 247383 384818 494766 577227 742149 1154454 1484298 1731681 3463362 5195043 10390086