Base | Representation |
---|---|
bin | 10001111110111… |
… | …10100011011101 |
3 | 101111212101012110 |
4 | 20333132203131 |
5 | 302104423244 |
6 | 22545224233 |
7 | 3511162044 |
oct | 1077364335 |
9 | 344771173 |
10 | 150857949 |
11 | 781788a0 |
12 | 42632079 |
13 | 2533c578 |
14 | 1606d55b |
15 | d39d9b9 |
hex | 8fde8dd |
150857949 has 16 divisors (see below), whose sum is σ = 232338240. Its totient is φ = 86050560.
The previous prime is 150857923. The next prime is 150857953. The reversal of 150857949 is 949758051.
It is not a de Polignac number, because 150857949 - 27 = 150857821 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 150857898 and 150857907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150857969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133894 + ... + 135015.
It is an arithmetic number, because the mean of its divisors is an integer number (14521140).
Almost surely, 2150857949 is an apocalyptic number.
It is an amenable number.
150857949 is a deficient number, since it is larger than the sum of its proper divisors (81480291).
150857949 is a wasteful number, since it uses less digits than its factorization.
150857949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268940.
The product of its (nonzero) digits is 453600, while the sum is 48.
The square root of 150857949 is about 12282.4243942310. The cubic root of 150857949 is about 532.3403669706.
The spelling of 150857949 in words is "one hundred fifty million, eight hundred fifty-seven thousand, nine hundred forty-nine".
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