Search a number
-
+
386474 = 21121597
BaseRepresentation
bin1011110010110101010
3201122010212
41132112222
544331344
612141122
73166514
oct1362652
9648125
10386474
11244400
121677a2
13106baa
14a0bb4
157979e
hex5e5aa

386474 has 12 divisors (see below), whose sum is σ = 637602. Its totient is φ = 175560.

The previous prime is 386471. The next prime is 386489. The reversal of 386474 is 474683.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 20449 = 605^2 + 143^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 386474.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 386474.

It is not an unprimeable number, because it can be changed into a prime (386471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 557 + ... + 1040.

2386474 is an apocalyptic number.

386474 is a deficient number, since it is larger than the sum of its proper divisors (251128).

386474 is a wasteful number, since it uses less digits than its factorization.

386474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1610 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 386474 is about 621.6703306416. The cubic root of 386474 is about 72.8405853881.

Subtracting 386474 from its reverse (474683), we obtain a square (88209 = 2972).

The spelling of 386474 in words is "three hundred eighty-six thousand, four hundred seventy-four".

Divisors: 1 2 11 22 121 242 1597 3194 17567 35134 193237 386474