Base | Representation |
---|---|
bin | 10001111011011… |
… | …00100010001000 |
3 | 101110222122120002 |
4 | 20331230202020 |
5 | 302000002140 |
6 | 22531222132 |
7 | 3504205331 |
oct | 1075544210 |
9 | 343878502 |
10 | 150390920 |
11 | 77989a19 |
12 | 42447948 |
13 | 25207b14 |
14 | 15d8b288 |
15 | d30a415 |
hex | 8f6c888 |
150390920 has 32 divisors (see below), whose sum is σ = 349297920. Its totient is φ = 58215360.
The previous prime is 150390899. The next prime is 150390923. The reversal of 150390920 is 29093051.
It is not an unprimeable number, because it can be changed into a prime (150390923) 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, 59402 + ... + 61881.
It is an arithmetic number, because the mean of its divisors is an integer number (10915560).
Almost surely, 2150390920 is an apocalyptic number.
150390920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
150390920 is an abundant number, since it is smaller than the sum of its proper divisors (198907000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150390920 is a wasteful number, since it uses less digits than its factorization.
150390920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121325 (or 121321 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 29.
The square root of 150390920 is about 12263.3975716357. The cubic root of 150390920 is about 531.7904558516.
The spelling of 150390920 in words is "one hundred fifty million, three hundred ninety thousand, nine hundred twenty".
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