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395850 = 235271329
BaseRepresentation
bin1100000101001001010
3202010000010
41200221022
5100131400
612252350
73236040
oct1405112
9663003
10395850
11250454
121710b6
1310b240
14a4390
157c450
hex60a4a

395850 has 96 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 80640.

The previous prime is 395849. The next prime is 395851. The reversal of 395850 is 58593.

395850 = T44 + T45 + ... + T134.

It is an interprime number because it is at equal distance from previous prime (395849) and next prime (395851).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13636 + ... + 13664.

It is an arithmetic number, because the mean of its divisors is an integer number (13020).

2395850 is an apocalyptic number.

395850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 395850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624960).

395850 is an abundant number, since it is smaller than the sum of its proper divisors (854070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395850 is a wasteful number, since it uses less digits than its factorization.

395850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 395850 is about 629.1661147900. The cubic root of 395850 is about 73.4249314540.

It can be divided in two parts, 39 and 5850, that multiplied together give a triangular number (228150 = T675).

The spelling of 395850 in words is "three hundred ninety-five thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 25 26 29 30 35 39 42 50 58 65 70 75 78 87 91 105 130 145 150 174 175 182 195 203 210 273 290 325 350 377 390 406 435 455 525 546 609 650 725 754 870 910 975 1015 1050 1131 1218 1365 1450 1885 1950 2030 2175 2262 2275 2639 2730 3045 3770 4350 4550 5075 5278 5655 6090 6825 7917 9425 10150 11310 13195 13650 15225 15834 18850 26390 28275 30450 39585 56550 65975 79170 131950 197925 395850