[go: up one dir, main page]

Search a number
-
+
148443 = 349481
BaseRepresentation
bin100100001111011011
321112121220
4210033123
514222233
63103123
71155531
oct441733
9245556
10148443
11a1589
1271aa3
1352749
143c151
152deb3
hex243db

148443 has 4 divisors (see below), whose sum is σ = 197928. Its totient is φ = 98960.

The previous prime is 148439. The next prime is 148457. The reversal of 148443 is 344841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148443 - 22 = 148439 is a prime.

It is a D-number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (148403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24738 + ... + 24743.

It is an arithmetic number, because the mean of its divisors is an integer number (49482).

2148443 is an apocalyptic number.

148443 is a deficient number, since it is larger than the sum of its proper divisors (49485).

148443 is an equidigital number, since it uses as much as digits as its factorization.

148443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49484.

The product of its digits is 1536, while the sum is 24.

The square root of 148443 is about 385.2830128620. The cubic root of 148443 is about 52.9484487468.

The spelling of 148443 in words is "one hundred forty-eight thousand, four hundred forty-three".

Divisors: 1 3 49481 148443