Base | Representation |
---|---|
bin | 10111100011010… |
… | …111011110001100 |
3 | 1000112112112222120 |
4 | 113203113132030 |
5 | 1302124202043 |
6 | 103113212540 |
7 | 12535460334 |
oct | 2743273614 |
9 | 1015475876 |
10 | 395147148 |
11 | 1930609a0 |
12 | b0401150 |
13 | 63b327a6 |
14 | 3a6a00c4 |
15 | 24a55983 |
hex | 178d778c |
395147148 has 96 divisors (see below), whose sum is σ = 1028982528. Its totient is φ = 117024000.
The previous prime is 395147143. The next prime is 395147149. The reversal of 395147148 is 841741593.
It is a happy number.
It is a super-2 number, since 2×3951471482 = 312282537145067808, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (395147143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1426386 + ... + 1426662.
It is an arithmetic number, because the mean of its divisors is an integer number (10718568).
Almost surely, 2395147148 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 395147148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514491264).
395147148 is an abundant number, since it is smaller than the sum of its proper divisors (633835380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395147148 is a wasteful number, since it uses less digits than its factorization.
395147148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 503 (or 501 counting only the distinct ones).
The product of its digits is 120960, while the sum is 42.
The square root of 395147148 is about 19878.3084793450. The cubic root of 395147148 is about 733.8144913021.
The spelling of 395147148 in words is "three hundred ninety-five million, one hundred forty-seven thousand, one hundred forty-eight".
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