Base | Representation |
---|---|
bin | 1011111101001… |
… | …1100110001010 |
3 | 10111100212112220 |
4 | 2333103212022 |
5 | 100314243040 |
6 | 4550514510 |
7 | 1146160146 |
oct | 277234612 |
9 | 114325486 |
10 | 50149770 |
11 | 263432a0 |
12 | 14965a36 |
13 | a50b628 |
14 | 6936226 |
15 | 46092d0 |
hex | 2fd398a |
50149770 has 32 divisors (see below), whose sum is σ = 131302080. Its totient is φ = 12157440.
The previous prime is 50149769. The next prime is 50149777. The reversal of 50149770 is 7794105.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (50149777) 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, 75655 + ... + 76314.
It is an arithmetic number, because the mean of its divisors is an integer number (4103190).
Almost surely, 250149770 is an apocalyptic number.
50149770 is an abundant number, since it is smaller than the sum of its proper divisors (81152310).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50149770 is a wasteful number, since it uses less digits than its factorization.
50149770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151990.
The product of its (nonzero) digits is 8820, while the sum is 33.
The square root of 50149770 is about 7081.6502314079. The cubic root of 50149770 is about 368.7706214648.
The spelling of 50149770 in words is "fifty million, one hundred forty-nine thousand, seven hundred seventy".
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