Search a number
-
+
148020 = 22352467
BaseRepresentation
bin100100001000110100
321112001020
4210020310
514214040
63101140
71154355
oct441064
9245036
10148020
11a1234
12717b0
13524b2
143bd2c
152dcd0
hex24234

148020 has 24 divisors (see below), whose sum is σ = 414624. Its totient is φ = 39456.

The previous prime is 148013. The next prime is 148021. The reversal of 148020 is 20841.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 148020.

It is not an unprimeable number, because it can be changed into a prime (148021) by changing a digit.

148020 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 7 ways as a sum of consecutive naturals, for example, 1174 + ... + 1293.

It is an arithmetic number, because the mean of its divisors is an integer number (17276).

2148020 is an apocalyptic number.

148020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148020 is an abundant number, since it is smaller than the sum of its proper divisors (266604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148020 is a wasteful number, since it uses less digits than its factorization.

148020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 148020 is about 384.7336741176. The cubic root of 148020 is about 52.8981073099.

Adding to 148020 its reverse (20841), we get a palindrome (168861).

The spelling of 148020 in words is "one hundred forty-eight thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2467 4934 7401 9868 12335 14802 24670 29604 37005 49340 74010 148020