Base | Representation |
---|---|
bin | 10111100101111… |
… | …000101001000100 |
3 | 1000120210002112122 |
4 | 113211320221010 |
5 | 1302311313200 |
6 | 103135305112 |
7 | 12544210100 |
oct | 2745705104 |
9 | 1016702478 |
10 | 395807300 |
11 | 193471979 |
12 | b067b198 |
13 | 64004105 |
14 | 3a7d2900 |
15 | 24b36385 |
hex | 17978a44 |
395807300 has 54 divisors (see below), whose sum is σ = 999143082. Its totient is φ = 135703680.
The previous prime is 395807273. The next prime is 395807309. The reversal of 395807300 is 3708593.
It can be written as a sum of positive squares in 3 ways, for example, as 127961344 + 267845956 = 11312^2 + 16366^2 .
It is a Harshad number since it is a multiple of its sum of digits (35).
It is not an unprimeable number, because it can be changed into a prime (395807309) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35489 + ... + 45288.
Almost surely, 2395807300 is an apocalyptic number.
It is an amenable number.
395807300 is an abundant number, since it is smaller than the sum of its proper divisors (603335782).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
395807300 is a wasteful number, since it uses less digits than its factorization.
395807300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80805 (or 80791 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 395807300 is about 19894.9063832932. The cubic root of 395807300 is about 734.2229126429. Note that the first 3 decimals are identical.
The spelling of 395807300 in words is "three hundred ninety-five million, eight hundred seven thousand, three hundred".
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