Search a number
-
+
248243902 = 2432886557
BaseRepresentation
bin11101100101111…
…10011010111110
3122022010002121121
432302332122332
51002022301102
640344421154
76103016104
oct1662763276
9568102547
10248243902
11118144355
126b1777ba
133c5792aa
1424d7dc74
1516bd8b37
hexecbe6be

248243902 has 8 divisors (see below), whose sum is σ = 381025656. Its totient is φ = 121235352.

The previous prime is 248243893. The next prime is 248243917. The reversal of 248243902 is 209342842.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443193 + ... + 1443364.

It is an arithmetic number, because the mean of its divisors is an integer number (47628207).

Almost surely, 2248243902 is an apocalyptic number.

248243902 is a deficient number, since it is larger than the sum of its proper divisors (132781754).

248243902 is a wasteful number, since it uses less digits than its factorization.

248243902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886602.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 248243902 is about 15755.7577412196. The cubic root of 248243902 is about 628.4820277860.

The spelling of 248243902 in words is "two hundred forty-eight million, two hundred forty-three thousand, nine hundred two".

Divisors: 1 2 43 86 2886557 5773114 124121951 248243902