Search a number
-
+
150255521 = 1318163857
BaseRepresentation
bin10001111010010…
…11011110100001
3101110201202211022
420331023132201
5301431134041
622524255225
73503102513
oct1075133641
9343652738
10150255521
11778a7219
12423a1515
132518b2c0
1415d53bb3
15d2d024b
hex8f4b7a1

150255521 has 8 divisors (see below), whose sum is σ = 162710184. Its totient is φ = 137928960.

The previous prime is 150255491. The next prime is 150255541. The reversal of 150255521 is 125552051.

It can be written as a sum of positive squares in 4 ways, for example, as 462400 + 149793121 = 680^2 + 12239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 150255521 - 210 = 150254497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150255541) 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, 29576 + ... + 34281.

It is an arithmetic number, because the mean of its divisors is an integer number (20338773).

Almost surely, 2150255521 is an apocalyptic number.

It is an amenable number.

150255521 is a deficient number, since it is larger than the sum of its proper divisors (12454663).

150255521 is a wasteful number, since it uses less digits than its factorization.

150255521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64051.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 150255521 is about 12257.8758763499. The cubic root of 150255521 is about 531.6308151955.

The spelling of 150255521 in words is "one hundred fifty million, two hundred fifty-five thousand, five hundred twenty-one".

Divisors: 1 13 181 2353 63857 830141 11558117 150255521