Search a number
-
+
386894341 = 1187325943
BaseRepresentation
bin10111000011111…
…000101000000101
3222222000021021001
4113003320220011
51243021104331
6102220253301
712405355561
oct2703705005
9888007231
10386894341
11189434499
12a96a1231
1362203282
14395526a1
1523e75561
hex170f8a05

386894341 has 4 divisors (see below), whose sum is σ = 387221472. Its totient is φ = 386567212.

The previous prime is 386894323. The next prime is 386894371. The reversal of 386894341 is 143498683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143498683 = 178441099.

It is a cyclic number.

It is not a de Polignac number, because 386894341 - 25 = 386894309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386894291 and 386894300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386894371) 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, 161785 + ... + 164158.

It is an arithmetic number, because the mean of its divisors is an integer number (96805368).

Almost surely, 2386894341 is an apocalyptic number.

It is an amenable number.

386894341 is a deficient number, since it is larger than the sum of its proper divisors (327131).

386894341 is a wasteful number, since it uses less digits than its factorization.

386894341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327130.

The product of its digits is 497664, while the sum is 46.

The square root of 386894341 is about 19669.6299151763. The cubic root of 386894341 is about 728.6698370634.

The spelling of 386894341 in words is "three hundred eighty-six million, eight hundred ninety-four thousand, three hundred forty-one".

Divisors: 1 1187 325943 386894341