Base | Representation |
---|---|
bin | 10111100100001… |
… | …100011001101001 |
3 | 1000112221120101002 |
4 | 113210030121221 |
5 | 1302203121240 |
6 | 103122004345 |
7 | 12540352364 |
oct | 2744143151 |
9 | 1015846332 |
10 | 395363945 |
11 | 193199869 |
12 | b04a66b5 |
13 | 63baa382 |
14 | 3a7190db |
15 | 24a99d15 |
hex | 1790c669 |
395363945 has 16 divisors (see below), whose sum is σ = 477952272. Its totient is φ = 313958400.
The previous prime is 395363933. The next prime is 395363957. The reversal of 395363945 is 549363593.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (395363933) and next prime (395363957).
It can be written as a sum of positive squares in 8 ways, for example, as 77668969 + 317694976 = 8813^2 + 17824^2 .
It is not a de Polignac number, because 395363945 - 210 = 395362921 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 395363945.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587129 + ... + 587801.
It is an arithmetic number, because the mean of its divisors is an integer number (29872017).
Almost surely, 2395363945 is an apocalyptic number.
It is an amenable number.
395363945 is a deficient number, since it is larger than the sum of its proper divisors (82588327).
395363945 is a wasteful number, since it uses less digits than its factorization.
395363945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1372.
The product of its digits is 1312200, while the sum is 47.
The square root of 395363945 is about 19883.7608364213. The cubic root of 395363945 is about 733.9486689077.
The spelling of 395363945 in words is "three hundred ninety-five million, three hundred sixty-three thousand, nine hundred forty-five".
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