Search a number
-
+
10101243 = 318231847
BaseRepresentation
bin100110100010…
…000111111011
3201000012022010
4212202013323
510041214433
61000301003
7151600455
oct46420773
921005263
1010101243
11577a239
123471763
132128989
1414ad2d5
15d47e63
hex9a21fb

10101243 has 8 divisors (see below), whose sum is σ = 13483008. Its totient is φ = 6726824.

The previous prime is 10101239. The next prime is 10101277. The reversal of 10101243 is 34210101.

It is a happy number.

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 10101243 - 22 = 10101239 is a prime.

It is a super-2 number, since 2×101012432 = 204070220290098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10101283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4546 + ... + 6392.

It is an arithmetic number, because the mean of its divisors is an integer number (1685376).

Almost surely, 210101243 is an apocalyptic number.

10101243 is a deficient number, since it is larger than the sum of its proper divisors (3381765).

10101243 is a wasteful number, since it uses less digits than its factorization.

10101243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10101243 is about 3178.2452705856. The cubic root of 10101243 is about 216.1681004531.

Adding to 10101243 its reverse (34210101), we get a palindrome (44311344).

The spelling of 10101243 in words is "ten million, one hundred one thousand, two hundred forty-three".

Divisors: 1 3 1823 1847 5469 5541 3367081 10101243