Search a number
-
+
248902048 = 257778189
BaseRepresentation
bin11101101010111…
…11000110100000
3122100100112102101
432311133012200
51002204331143
640410500144
76111426643
oct1665370640
9570315371
10248902048
1111855387a
126b434654
133c749a25
14250b1a5a
1516cb8b4d
hexed5f1a0

248902048 has 12 divisors (see below), whose sum is σ = 490025970. Its totient is φ = 124451008.

The previous prime is 248902037. The next prime is 248902063. The reversal of 248902048 is 840209842.

It can be written as a sum of positive squares in only one way, i.e., 225360144 + 23541904 = 15012^2 + 4852^2 .

It is a junction number, because it is equal to n+sod(n) for n = 248901998 and 248902016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3889063 + ... + 3889126.

Almost surely, 2248902048 is an apocalyptic number.

It is an amenable number.

248902048 is a deficient number, since it is larger than the sum of its proper divisors (241123922).

248902048 is an equidigital number, since it uses as much as digits as its factorization.

248902048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778199 (or 7778191 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 248902048 is about 15776.6298048728. The cubic root of 248902048 is about 629.0369496788.

The spelling of 248902048 in words is "two hundred forty-eight million, nine hundred two thousand, forty-eight".

Divisors: 1 2 4 8 16 32 7778189 15556378 31112756 62225512 124451024 248902048