Search a number
-
+
385927051 = 2389188533
BaseRepresentation
bin10111000000001…
…100011110001011
3222220012010101111
4113000030132023
51242244131201
6102143431151
712364216516
oct2700143613
9886163344
10385927051
11188933784
12a92b54b7
1361c54c03
143937dd7d
1523d33b51
hex1700c78b

385927051 has 8 divisors (see below), whose sum is σ = 407233440. Its totient is φ = 364997952.

The previous prime is 385927049. The next prime is 385927111. The reversal of 385927051 is 150729583.

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

It is a cyclic number.

It is not a de Polignac number, because 385927051 - 21 = 385927049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 385926995 and 385927013.

It is not an unprimeable number, because it can be changed into a prime (385927351) 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 7 ways as a sum of consecutive naturals, for example, 92220 + ... + 96313.

It is an arithmetic number, because the mean of its divisors is an integer number (50904180).

Almost surely, 2385927051 is an apocalyptic number.

385927051 is a deficient number, since it is larger than the sum of its proper divisors (21306389).

385927051 is a wasteful number, since it uses less digits than its factorization.

385927051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188645.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 385927051 is about 19645.0261134975. The cubic root of 385927051 is about 728.0620714242.

The spelling of 385927051 in words is "three hundred eighty-five million, nine hundred twenty-seven thousand, fifty-one".

Divisors: 1 23 89 2047 188533 4336259 16779437 385927051