Search a number
-
+
380928383 = 1134629853
BaseRepresentation
bin10110101101001…
…000000101111111
3222112210011111122
4112231020011333
51240004202013
6101444341155
712303560243
oct2655100577
9875704448
10380928383
1118602a150
12a76a47bb
1360bc4914
143883c423
1523697a08
hex16b4817f

380928383 has 4 divisors (see below), whose sum is σ = 415558248. Its totient is φ = 346298520.

The previous prime is 380928329. The next prime is 380928389. The reversal of 380928383 is 383829083.

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

It is a cyclic number.

It is not a de Polignac number, because 380928383 - 28 = 380928127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380928389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17314916 + ... + 17314937.

It is an arithmetic number, because the mean of its divisors is an integer number (103889562).

Almost surely, 2380928383 is an apocalyptic number.

380928383 is a deficient number, since it is larger than the sum of its proper divisors (34629865).

380928383 is a wasteful number, since it uses less digits than its factorization.

380928383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34629864.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 380928383 is about 19517.3866846973. The cubic root of 380928383 is about 724.9050263225.

The spelling of 380928383 in words is "three hundred eighty million, nine hundred twenty-eight thousand, three hundred eighty-three".

Divisors: 1 11 34629853 380928383