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380660 = 22572719
BaseRepresentation
bin1011100111011110100
3201100011112
41130323310
544140120
612054152
73143540
oct1347364
9640145
10380660
1123aaa5
12164358
13104357
149ca20
1577bc5
hex5cef4

380660 has 24 divisors (see below), whose sum is σ = 913920. Its totient is φ = 130464.

The previous prime is 380657. The next prime is 380707. The reversal of 380660 is 66083.

It is a congruent number.

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, 1220 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (38080).

2380660 is an apocalyptic number.

It is an amenable number.

380660 is an abundant number, since it is smaller than the sum of its proper divisors (533260).

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

380660 is a wasteful number, since it uses less digits than its factorization.

380660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735 (or 2733 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 380660 is about 616.9764987421. The cubic root of 380660 is about 72.4734742438.

The spelling of 380660 in words is "three hundred eighty thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 2719 5438 10876 13595 19033 27190 38066 54380 76132 95165 190330 380660