Search a number
-
+
10530389 = 192324097
BaseRepresentation
bin101000001010…
…111001010101
3201210222222102
4220022321111
510143433024
61013411445
7155335562
oct50127125
921728872
1010530389
115a42701
123639b85
1322490cc
141581869
15dd01ae
hexa0ae55

10530389 has 8 divisors (see below), whose sum is σ = 11567040. Its totient is φ = 9542016.

The previous prime is 10530367. The next prime is 10530419. The reversal of 10530389 is 98303501.

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 10530389 - 28 = 10530133 is a prime.

It is a super-2 number, since 2×105303892 = 221778184982642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10530329) 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 7 ways as a sum of consecutive naturals, for example, 11612 + ... + 12485.

It is an arithmetic number, because the mean of its divisors is an integer number (1445880).

Almost surely, 210530389 is an apocalyptic number.

10530389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10530389 is a deficient number, since it is larger than the sum of its proper divisors (1036651).

10530389 is a wasteful number, since it uses less digits than its factorization.

10530389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24139.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 10530389 is about 3245.0560858019. The cubic root of 10530389 is about 219.1870062293.

The spelling of 10530389 in words is "ten million, five hundred thirty thousand, three hundred eighty-nine".

Divisors: 1 19 23 437 24097 457843 554231 10530389