Search a number
-
+
150442420 = 22567311177
BaseRepresentation
bin10001111011110…
…01000110110100
3101111002021012111
420331321012310
5302003124140
622532300404
73504511432
oct1075710664
9344067174
10150442420
1177a14687
1242471704
13252253ab
1415da1d52
15d31a7ea
hex8f791b4

150442420 has 24 divisors (see below), whose sum is σ = 316426824. Its totient is φ = 60082176.

The previous prime is 150442417. The next prime is 150442427. The reversal of 150442420 is 24244051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27941796 + 122500624 = 5286^2 + 11068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 150442391 and 150442400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150442427) 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, 7872 + ... + 19048.

It is an arithmetic number, because the mean of its divisors is an integer number (13184451).

Almost surely, 2150442420 is an apocalyptic number.

150442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150442420 is an abundant number, since it is smaller than the sum of its proper divisors (165984404).

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

150442420 is a wasteful number, since it uses less digits than its factorization.

150442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11859 (or 11857 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 150442420 is about 12265.4971362762. The cubic root of 150442420 is about 531.8511511890.

Adding to 150442420 its reverse (24244051), we get a palindrome (174686471).

The spelling of 150442420 in words is "one hundred fifty million, four hundred forty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 673 1346 2692 3365 6730 11177 13460 22354 44708 55885 111770 223540 7522121 15044242 30088484 37610605 75221210 150442420