Search a number
-
+
248730386 = 2199362401
BaseRepresentation
bin11101101001101…
…01001100010010
3122100000210221112
432310311030102
51002133333021
640403053322
76110113322
oct1664651422
9570023845
10248730386
11118446903
126b371242
133c6b9858
1425069282
1516c82d5b
hexed35312

248730386 has 8 divisors (see below), whose sum is σ = 373288764. Its totient is φ = 124300800.

The previous prime is 248730379. The next prime is 248730397. The reversal of 248730386 is 683037842.

248730386 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 204919225 + 43811161 = 14315^2 + 6619^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27215 + ... + 35186.

Almost surely, 2248730386 is an apocalyptic number.

248730386 is a deficient number, since it is larger than the sum of its proper divisors (124558378).

248730386 is a wasteful number, since it uses less digits than its factorization.

248730386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64396.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 248730386 is about 15771.1884777274. The cubic root of 248730386 is about 628.8923056640.

The spelling of 248730386 in words is "two hundred forty-eight million, seven hundred thirty thousand, three hundred eighty-six".

Divisors: 1 2 1993 3986 62401 124802 124365193 248730386