Base | Representation |
---|---|
bin | 10001111011100… |
… | …01011111010101 |
3 | 101111000200101222 |
4 | 20331301133111 |
5 | 302001124341 |
6 | 22531500125 |
7 | 3504321452 |
oct | 1075613725 |
9 | 344020358 |
10 | 150411221 |
11 | 779a31a4 |
12 | 42457645 |
13 | 2521412c |
14 | 15d94829 |
15 | d31144b |
hex | 8f717d5 |
150411221 has 4 divisors (see below), whose sum is σ = 150514944. Its totient is φ = 150307500.
The previous prime is 150411193. The next prime is 150411227. The reversal of 150411221 is 122114051.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122114051 = 2647 ⋅46133.
It is a cyclic number.
It is not a de Polignac number, because 150411221 - 214 = 150394837 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 150411221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150411227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49655 + ... + 52596.
It is an arithmetic number, because the mean of its divisors is an integer number (37628736).
Almost surely, 2150411221 is an apocalyptic number.
It is an amenable number.
150411221 is a deficient number, since it is larger than the sum of its proper divisors (103723).
150411221 is a wasteful number, since it uses less digits than its factorization.
150411221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103722.
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 150411221 is about 12264.2252507038. The cubic root of 150411221 is about 531.8143832543.
Adding to 150411221 its reverse (122114051), we get a palindrome (272525272).
The spelling of 150411221 in words is "one hundred fifty million, four hundred eleven thousand, two hundred twenty-one".
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