Search a number
-
+
146248 = 23101181
BaseRepresentation
bin100011101101001000
321102121121
4203231020
514134443
63045024
71146244
oct435510
9242547
10146248
119a973
1270774
135174b
143b424
152d4ed
hex23b48

146248 has 16 divisors (see below), whose sum is σ = 278460. Its totient is φ = 72000.

The previous prime is 146239. The next prime is 146249. The reversal of 146248 is 842641.

It can be written as a sum of positive squares in 2 ways, for example, as 145924 + 324 = 382^2 + 18^2 .

It is not an unprimeable number, because it can be changed into a prime (146249) by changing a digit.

146248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718 + ... + 898.

2146248 is an apocalyptic number.

It is an amenable number.

146248 is a deficient number, since it is larger than the sum of its proper divisors (132212).

146248 is a wasteful number, since it uses less digits than its factorization.

146248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 284 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 146248 is about 382.4238486287. The cubic root of 146248 is about 52.6861719844.

Adding to 146248 its reverse (842641), we get a palindrome (988889).

The spelling of 146248 in words is "one hundred forty-six thousand, two hundred forty-eight".

Divisors: 1 2 4 8 101 181 202 362 404 724 808 1448 18281 36562 73124 146248