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386144 = 25111097
BaseRepresentation
bin1011110010001100000
3201121200122
41132101200
544324034
612135412
73165533
oct1362140
9647618
10386144
11244130
12167568
131069b5
14a0a1a
157962e
hex5e460

386144 has 24 divisors (see below), whose sum is σ = 830088. Its totient is φ = 175360.

The previous prime is 386143. The next prime is 386149. The reversal of 386144 is 441683.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 386144.

It is not an unprimeable number, because it can be changed into a prime (386143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (34587).

2386144 is an apocalyptic number.

It is an amenable number.

386144 is an abundant number, since it is smaller than the sum of its proper divisors (443944).

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

386144 is a wasteful number, since it uses less digits than its factorization.

386144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1110 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 386144 is about 621.4048599746. The cubic root of 386144 is about 72.8198472634.

The spelling of 386144 in words is "three hundred eighty-six thousand, one hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 1097 2194 4388 8776 12067 17552 24134 35104 48268 96536 193072 386144