Search a number
-
+
10030285 = 59720681
BaseRepresentation
bin100110010000…
…110011001101
3200212120222001
4212100303031
510031432120
6554552301
7151153546
oct46206315
920776861
1010030285
1157309a1
123438691
1321025a5
1414914cd
15d31e0a
hex990ccd

10030285 has 8 divisors (see below), whose sum is σ = 12161016. Its totient is φ = 7941120.

The previous prime is 10030283. The next prime is 10030313. The reversal of 10030285 is 58203001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32041 + 9998244 = 179^2 + 3162^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10030285 - 21 = 10030283 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 (10030283) 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, 9856 + ... + 10825.

It is an arithmetic number, because the mean of its divisors is an integer number (1520127).

Almost surely, 210030285 is an apocalyptic number.

It is an amenable number.

10030285 is a deficient number, since it is larger than the sum of its proper divisors (2130731).

10030285 is an equidigital number, since it uses as much as digits as its factorization.

10030285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20783.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 10030285 is about 3167.0625191177. The cubic root of 10030285 is about 215.6607399975.

Adding to 10030285 its reverse (58203001), we get a palindrome (68233286).

The spelling of 10030285 in words is "ten million, thirty thousand, two hundred eighty-five".

Divisors: 1 5 97 485 20681 103405 2006057 10030285