Search a number
-
+
244210031 = 13109172343
BaseRepresentation
bin11101000111001…
…01100101101111
3122000112011011222
432203211211233
51000004210111
640122133555
76023515412
oct1643454557
9560464158
10244210031
1111593967a
12699512bb
133b7961a0
142460db79
151668d7db
hexe8e596f

244210031 has 8 divisors (see below), whose sum is σ = 265409760. Its totient is φ = 223355232.

The previous prime is 244210009. The next prime is 244210051. The reversal of 244210031 is 130012442.

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 244210031 - 214 = 244193647 is a prime.

It is a super-3 number, since 3×2442100313 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244209991 and 244210009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244210051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84755 + ... + 87588.

It is an arithmetic number, because the mean of its divisors is an integer number (33176220).

Almost surely, 2244210031 is an apocalyptic number.

244210031 is a deficient number, since it is larger than the sum of its proper divisors (21199729).

244210031 is a wasteful number, since it uses less digits than its factorization.

244210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172465.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 244210031 is about 15627.2208341727. The cubic root of 244210031 is about 625.0592208418.

Adding to 244210031 its reverse (130012442), we get a palindrome (374222473).

The spelling of 244210031 in words is "two hundred forty-four million, two hundred ten thousand, thirty-one".

Divisors: 1 13 109 1417 172343 2240459 18785387 244210031