Search a number
-
+
392092145 = 5375339989
BaseRepresentation
bin10111010111101…
…101100111110001
31000022210100022022
4113113231213301
51300333422040
6102523521225
712500504534
oct2727554761
91008710268
10392092145
111913646a5
12ab389215
13633030b3
143a106a1b
15246506b5
hex175ed9f1

392092145 has 16 divisors (see below), whose sum is σ = 492356880. Its totient is φ = 299430144.

The previous prime is 392092133. The next prime is 392092147. The reversal of 392092145 is 541290293.

It can be written as a sum of positive squares in 8 ways, for example, as 2582449 + 389509696 = 1607^2 + 19736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-392092145 is a prime.

It is not an unprimeable number, because it can be changed into a prime (392092147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10190 + ... + 29799.

It is an arithmetic number, because the mean of its divisors is an integer number (30772305).

Almost surely, 2392092145 is an apocalyptic number.

It is an amenable number.

392092145 is a deficient number, since it is larger than the sum of its proper divisors (100264735).

392092145 is a wasteful number, since it uses less digits than its factorization.

392092145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40084.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 392092145 is about 19801.3167491457. The cubic root of 392092145 is about 731.9184821930.

The spelling of 392092145 in words is "three hundred ninety-two million, ninety-two thousand, one hundred forty-five".

Divisors: 1 5 37 53 185 265 1961 9805 39989 199945 1479593 2119417 7397965 10597085 78418429 392092145