Search a number
-
+
388486 = 2727749
BaseRepresentation
bin1011110110110000110
3201201220101
41132312012
544412421
612154314
73205420
oct1366606
9651811
10388486
1124596a
1216899a
13107a97
14a1810
157a191
hex5ed86

388486 has 8 divisors (see below), whose sum is σ = 666000. Its totient is φ = 166488.

The previous prime is 388483. The next prime is 388489. The reversal of 388486 is 684883.

388486 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 (388483) and next prime (388489).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388481) 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 3 ways as a sum of consecutive naturals, for example, 13861 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (83250).

2388486 is an apocalyptic number.

388486 is a deficient number, since it is larger than the sum of its proper divisors (277514).

388486 is a wasteful number, since it uses less digits than its factorization.

388486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27758.

The product of its digits is 36864, while the sum is 37.

The square root of 388486 is about 623.2864509999. The cubic root of 388486 is about 72.9667703894.

The spelling of 388486 in words is "three hundred eighty-eight thousand, four hundred eighty-six".

Divisors: 1 2 7 14 27749 55498 194243 388486