[go: up one dir, main page]

Search a number
-
+
1831148 = 221141617
BaseRepresentation
bin110111111000011101100
310110000212022
412333003230
5432044043
6103125312
721364424
oct6770354
93400768
101831148
111040850
12743838
134c1627
14359484
15262868
hex1bf0ec

1831148 has 12 divisors (see below), whose sum is σ = 3495912. Its totient is φ = 832320.

The previous prime is 1831133. The next prime is 1831153. The reversal of 1831148 is 8411381.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20765 + ... + 20852.

It is an arithmetic number, because the mean of its divisors is an integer number (291326).

21831148 is an apocalyptic number.

It is an amenable number.

1831148 is a deficient number, since it is larger than the sum of its proper divisors (1664764).

1831148 is a wasteful number, since it uses less digits than its factorization.

1831148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41632 (or 41630 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 1831148 is about 1353.1991723320. The cubic root of 1831148 is about 122.3416919370.

It can be divided in two parts, 183 and 1148, that added together give a palindrome (1331).

The spelling of 1831148 in words is "one million, eight hundred thirty-one thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 41617 83234 166468 457787 915574 1831148