Search a number
-
+
384992061 = 31031245929
BaseRepresentation
bin10110111100101…
…000001100111101
3222211102121211020
4112330220030331
51242024221221
6102111414353
712353243556
oct2674501475
9884377736
10384992061
11188355263
12a8b243b9
13619b846c
14391b932d
1523bebac6
hex16f2833d

384992061 has 8 divisors (see below), whose sum is σ = 518306880. Its totient is φ = 254169312.

The previous prime is 384992059. The next prime is 384992071. The reversal of 384992061 is 160299483.

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

It is not a de Polignac number, because 384992061 - 21 = 384992059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384992071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622656 + ... + 623273.

It is an arithmetic number, because the mean of its divisors is an integer number (64788360).

Almost surely, 2384992061 is an apocalyptic number.

It is an amenable number.

384992061 is a deficient number, since it is larger than the sum of its proper divisors (133314819).

384992061 is a wasteful number, since it uses less digits than its factorization.

384992061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246035.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 384992061 is about 19621.2145648530. The cubic root of 384992061 is about 727.4736344527.

The spelling of 384992061 in words is "three hundred eighty-four million, nine hundred ninety-two thousand, sixty-one".

Divisors: 1 3 103 309 1245929 3737787 128330687 384992061