Base | Representation |
---|---|
bin | 10001111101001… |
… | …11001111111100 |
3 | 101111102212110111 |
4 | 20332213033330 |
5 | 302030201140 |
6 | 22540315404 |
7 | 3506226442 |
oct | 1076471774 |
9 | 344385414 |
10 | 150631420 |
11 | 78033685 |
12 | 42542b64 |
13 | 25290424 |
14 | 16010b92 |
15 | d3567ea |
hex | 8fa73fc |
150631420 has 12 divisors (see below), whose sum is σ = 316326024. Its totient is φ = 60252560.
The previous prime is 150631367. The next prime is 150631421. The reversal of 150631420 is 24136051.
It is a junction number, because it is equal to n+sod(n) for n = 150631391 and 150631400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (150631421) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3765766 + ... + 3765805.
It is an arithmetic number, because the mean of its divisors is an integer number (26360502).
Almost surely, 2150631420 is an apocalyptic number.
150631420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
150631420 is an abundant number, since it is smaller than the sum of its proper divisors (165694604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150631420 is a wasteful number, since it uses less digits than its factorization.
150631420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7531580 (or 7531578 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 150631420 is about 12273.1992569175. The cubic root of 150631420 is about 532.0737785631.
Adding to 150631420 its reverse (24136051), we get a palindrome (174767471).
The spelling of 150631420 in words is "one hundred fifty million, six hundred thirty-one thousand, four hundred twenty".
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