Base | Representation |
---|---|
bin | 10001111011111… |
… | …00000101101110 |
3 | 101111002212222000 |
4 | 20331330011232 |
5 | 302004022023 |
6 | 22532433130 |
7 | 3504562155 |
oct | 1075740556 |
9 | 344085860 |
10 | 150454638 |
11 | 77a22884 |
12 | 424787a6 |
13 | 2522ab19 |
14 | 15da659c |
15 | d31e243 |
hex | 8f7c16e |
150454638 has 32 divisors (see below), whose sum is σ = 348883200. Its totient is φ = 47970648.
The previous prime is 150454637. The next prime is 150454643. The reversal of 150454638 is 836454051.
It is a happy number.
150454638 is a `hidden beast` number, since 15 + 0 + 4 + 5 + 4 + 638 = 666.
150454638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1504546382 = 45273196191422088, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150454637) 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, 59328 + ... + 61811.
It is an arithmetic number, because the mean of its divisors is an integer number (10902600).
Almost surely, 2150454638 is an apocalyptic number.
150454638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
150454638 is an abundant number, since it is smaller than the sum of its proper divisors (198428562).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150454638 is a wasteful number, since it uses less digits than its factorization.
150454638 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121173 (or 121167 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The square root of 150454638 is about 12265.9951899550. The cubic root of 150454638 is about 531.8655486829.
It can be divided in two parts, 15045 and 4638, that added together give a 9-th power (19683 = 39).
The spelling of 150454638 in words is "one hundred fifty million, four hundred fifty-four thousand, six hundred thirty-eight".
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