[go: up one dir, main page]

Search a number
-
+
48230221 = 138344699
BaseRepresentation
bin1011011111111…
…0111101001101
310100202100102111
42313332331031
544321331341
64441424021
71123643614
oct267767515
9110670374
1048230221
1125252096
121419b011
139cb89c0
14659687b
15437a681
hex2dfef4d

48230221 has 8 divisors (see below), whose sum is σ = 52567200. Its totient is φ = 43982832.

The previous prime is 48230213. The next prime is 48230239. The reversal of 48230221 is 12203284.

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 48230221 - 23 = 48230213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48230192 and 48230201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48230251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21271 + ... + 23428.

It is an arithmetic number, because the mean of its divisors is an integer number (6570900).

Almost surely, 248230221 is an apocalyptic number.

It is an amenable number.

48230221 is a deficient number, since it is larger than the sum of its proper divisors (4336979).

48230221 is a wasteful number, since it uses less digits than its factorization.

48230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44795.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 48230221 is about 6944.7981252157. The cubic root of 48230221 is about 364.0042189464.

It can be divided in two parts, 482 and 30221, that added together give a palindrome (30703).

The spelling of 48230221 in words is "forty-eight million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 13 83 1079 44699 581087 3710017 48230221