Search a number
-
+
395800144 = 2426991961
BaseRepresentation
bin10111100101110…
…110111001010000
31000120202201201121
4113211312321100
51302311101034
6103135212024
712544150165
oct2745667120
91016681647
10395800144
11193467563
12b0677014
1364000a8c
143a7d006c
1524b341b4
hex17976e50

395800144 has 20 divisors (see below), whose sum is σ = 769721940. Its totient is φ = 197162240.

The previous prime is 395800073. The next prime is 395800213. The reversal of 395800144 is 441008593.

It can be written as a sum of positive squares in 2 ways, for example, as 70358544 + 325441600 = 8388^2 + 18040^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41677 + ... + 50284.

It is an arithmetic number, because the mean of its divisors is an integer number (38486097).

Almost surely, 2395800144 is an apocalyptic number.

It is an amenable number.

395800144 is a deficient number, since it is larger than the sum of its proper divisors (373921796).

395800144 is a wasteful number, since it uses less digits than its factorization.

395800144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92238 (or 92232 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 395800144 is about 19894.7265374521. The cubic root of 395800144 is about 734.2184878206.

The spelling of 395800144 in words is "three hundred ninety-five million, eight hundred thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 269 538 1076 2152 4304 91961 183922 367844 735688 1471376 24737509 49475018 98950036 197900072 395800144