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150142725 = 32521722309
BaseRepresentation
bin10001111001011…
…11111100000101
3101110112001002200
420330233330011
5301414031400
622522025113
73502122615
oct1074577405
9343461080
10150142725
117782a4a7
1242348199
132514bb65
1415d24a45
15d2abb00
hex8f2ff05

150142725 has 54 divisors (see below), whose sum is σ = 285795510. Its totient is φ = 75333120.

The previous prime is 150142717. The next prime is 150142753. The reversal of 150142725 is 527241051.

It can be written as a sum of positive squares in 9 ways, for example, as 471969 + 149670756 = 687^2 + 12234^2 .

It is not a de Polignac number, because 150142725 - 23 = 150142717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 63871 + ... + 66179.

Almost surely, 2150142725 is an apocalyptic number.

150142725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

150142725 is a deficient number, since it is larger than the sum of its proper divisors (135652785).

150142725 is a wasteful number, since it uses less digits than its factorization.

150142725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 150142725 is about 12253.2740522686. The cubic root of 150142725 is about 531.4977511087.

Adding to 150142725 its reverse (527241051), we get a palindrome (677383776).

The spelling of 150142725 in words is "one hundred fifty million, one hundred forty-two thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 153 225 255 289 425 765 867 1275 1445 2309 2601 3825 4335 6927 7225 11545 13005 20781 21675 34635 39253 57725 65025 103905 117759 173175 196265 353277 519525 588795 667301 981325 1766385 2001903 2943975 3336505 6005709 8831925 10009515 16682525 30028545 50047575 150142725