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380408063 = 71923373361
BaseRepresentation
bin10110101011001…
…001000011111111
3222111210201202112
4112223021003333
51234341024223
6101425244235
712266262260
oct2653110377
9874721675
10380408063
11185804232
12a749367b
1360a71b39
1438744967
15235e3778
hex16ac90ff

380408063 has 32 divisors (see below), whose sum is σ = 490583040. Its totient is φ = 287400960.

The previous prime is 380408033. The next prime is 380408069. The reversal of 380408063 is 360804083.

It is not a de Polignac number, because 380408063 - 26 = 380407999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380408069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111503 + ... + 114863.

It is an arithmetic number, because the mean of its divisors is an integer number (15330720).

Almost surely, 2380408063 is an apocalyptic number.

380408063 is a deficient number, since it is larger than the sum of its proper divisors (110174977).

380408063 is a wasteful number, since it uses less digits than its factorization.

380408063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 380408063 is about 19504.0524763445. The cubic root of 380408063 is about 724.5748203791.

The spelling of 380408063 in words is "three hundred eighty million, four hundred eight thousand, sixty-three".

Divisors: 1 7 19 23 37 133 161 259 437 703 851 3059 3361 4921 5957 16169 23527 63859 77303 113183 124357 447013 541121 870499 1468757 2362783 2860211 10281299 16539481 20021477 54344009 380408063