Base | Representation |
---|---|
bin | 10001100111011… |
… | …10000111001110 |
3 | 101022001210111100 |
4 | 20303232013032 |
5 | 300312312300 |
6 | 22355203530 |
7 | 3443034450 |
oct | 1063560716 |
9 | 338053440 |
10 | 147775950 |
11 | 76463293 |
12 | 415a65a6 |
13 | 248007ba |
14 | 158aa2d0 |
15 | ce90700 |
hex | 8cee1ce |
147775950 has 144 divisors (see below), whose sum is σ = 464720256. Its totient is φ = 32961600.
The previous prime is 147775949. The next prime is 147775981. The reversal of 147775950 is 59577741.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 147775896 and 147775905.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 134905 + ... + 135995.
It is an arithmetic number, because the mean of its divisors is an integer number (3227224).
Almost surely, 2147775950 is an apocalyptic number.
147775950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 147775950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232360128).
147775950 is an abundant number, since it is smaller than the sum of its proper divisors (316944306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147775950 is a wasteful number, since it uses less digits than its factorization.
147775950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1159 (or 1151 counting only the distinct ones).
The product of its (nonzero) digits is 308700, while the sum is 45.
The square root of 147775950 is about 12156.3131746430. The cubic root of 147775950 is about 528.6901915820.
The spelling of 147775950 in words is "one hundred forty-seven million, seven hundred seventy-five thousand, nine hundred fifty".
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