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395980 = 225131523
BaseRepresentation
bin1100000101011001100
3202010011221
41200223030
5100132410
612253124
73236314
oct1405314
9663157
10395980
11250562
121711a4
1310b310
14a4444
157c4da
hex60acc

395980 has 24 divisors (see below), whose sum is σ = 896112. Its totient is φ = 146112.

The previous prime is 395971. The next prime is 396001. The reversal of 395980 is 89593.

395980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (37338).

2395980 is an apocalyptic number.

It is an amenable number.

395980 is an abundant number, since it is smaller than the sum of its proper divisors (500132).

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

395980 is a wasteful number, since it uses less digits than its factorization.

395980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1543 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 395980 is about 629.2694176583. The cubic root of 395980 is about 73.4329683336.

The spelling of 395980 in words is "three hundred ninety-five thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1523 3046 6092 7615 15230 19799 30460 39598 79196 98995 197990 395980