Search a number
-
+
386074687 = 3710434451
BaseRepresentation
bin10111000000110…
…000100000111111
3222220110121220111
4113000300200333
51242313342222
6102150530451
712365403115
oct2700604077
9886417814
10386074687
11188a24699
12a9366a27
1361ca717b
14393bbab5
1523d62777
hex1703083f

386074687 has 4 divisors (see below), whose sum is σ = 396509176. Its totient is φ = 375640200.

The previous prime is 386074681. The next prime is 386074693. The reversal of 386074687 is 786470683.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (386074681) and next prime (386074693).

It is a cyclic number.

It is not a de Polignac number, because 386074687 - 227 = 251856959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386074687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386074681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5217189 + ... + 5217262.

It is an arithmetic number, because the mean of its divisors is an integer number (99127294).

Almost surely, 2386074687 is an apocalyptic number.

386074687 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

386074687 is a deficient number, since it is larger than the sum of its proper divisors (10434489).

386074687 is a wasteful number, since it uses less digits than its factorization.

386074687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10434488.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 386074687 is about 19648.7833465586. The cubic root of 386074687 is about 728.1548993893.

The spelling of 386074687 in words is "three hundred eighty-six million, seventy-four thousand, six hundred eighty-seven".

Divisors: 1 37 10434451 386074687