Search a number
-
+
148040028 = 22331370741
BaseRepresentation
bin10001101001011…
…10100101011100
3101022120012202000
420310232211130
5300344240103
622405002300
73445214403
oct1064564534
9338505660
10148040028
1176623734
12416b3390
1324893a66
141593863a
15cee3aa3
hex8d2e95c

148040028 has 24 divisors (see below), whose sum is σ = 383807760. Its totient is φ = 49346640.

The previous prime is 148040021. The next prime is 148040059. The reversal of 148040028 is 820040841.

148040028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 148039983 and 148040010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148040021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685263 + ... + 685478.

It is an arithmetic number, because the mean of its divisors is an integer number (15991990).

Almost surely, 2148040028 is an apocalyptic number.

148040028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

148040028 is an abundant number, since it is smaller than the sum of its proper divisors (235767732).

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

148040028 is a wasteful number, since it uses less digits than its factorization.

148040028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370754 (or 1370746 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 148040028 is about 12167.1700900415. The cubic root of 148040028 is about 529.0049301346.

Adding to 148040028 its reverse (820040841), we get a palindrome (968080869).

The spelling of 148040028 in words is "one hundred forty-eight million, forty thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 1370741 2741482 4112223 5482964 8224446 12336669 16448892 24673338 37010007 49346676 74020014 148040028