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386480 = 2454831
BaseRepresentation
bin1011110010110110000
3201122011002
41132112300
544331410
612141132
73166523
oct1362660
9648132
10386480
11244406
121677a8
13106bb3
14a0bba
15797a5
hex5e5b0

386480 has 20 divisors (see below), whose sum is σ = 898752. Its totient is φ = 154560.

The previous prime is 386471. The next prime is 386489. The reversal of 386480 is 84683.

386480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (386471) and next prime (386489).

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (386489) by changing a digit.

386480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336 + ... + 2495.

2386480 is an apocalyptic number.

It is an amenable number.

386480 is an abundant number, since it is smaller than the sum of its proper divisors (512272).

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

386480 is a wasteful number, since it uses less digits than its factorization.

386480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844 (or 4838 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 386480 is about 621.6751563317. The cubic root of 386480 is about 72.8409623357.

The spelling of 386480 in words is "three hundred eighty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4831 9662 19324 24155 38648 48310 77296 96620 193240 386480