Base | Representation |
---|---|
bin | 10001111111100… |
… | …10010000010000 |
3 | 101112000110220000 |
4 | 20333302100100 |
5 | 302120014030 |
6 | 22551050000 |
7 | 3511646226 |
oct | 1077622020 |
9 | 345013800 |
10 | 150938640 |
11 | 78223486 |
12 | 42670900 |
13 | 2536a208 |
14 | 16090b16 |
15 | d3b7860 |
hex | 8ff2410 |
150938640 has 100 divisors (see below), whose sum is σ = 524254764. Its totient is φ = 40248576.
The previous prime is 150938629. The next prime is 150938653. The reversal of 150938640 is 46839051.
150938640 is a `hidden beast` number, since 1 + 5 + 0 + 9 + 3 + 8 + 640 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 126967824 = 4896^2 + 11268^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 150938595 and 150938604.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5167 + ... + 18126.
Almost surely, 2150938640 is an apocalyptic number.
150938640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
150938640 is an abundant number, since it is smaller than the sum of its proper divisors (373316124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
150938640 is a wasteful number, since it uses less digits than its factorization.
150938640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23318 (or 23303 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 150938640 is about 12285.7087707629. The cubic root of 150938640 is about 532.4352629097.
The spelling of 150938640 in words is "one hundred fifty million, nine hundred thirty-eight thousand, six hundred forty".
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