Search a number
-
+
2331928 = 23291491
BaseRepresentation
bin1000111001010100011000
311101110210201
420321110120
51044110203
6121551544
725551424
oct10712430
94343721
102331928
111353015
129455b4
13638551
14449b84
15310e1d
hex239518

2331928 has 8 divisors (see below), whose sum is σ = 4372380. Its totient is φ = 1165960.

The previous prime is 2331899. The next prime is 2331929. The reversal of 2331928 is 8291332.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2331896 and 2331905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145738 + ... + 145753.

22331928 is an apocalyptic number.

It is an amenable number.

2331928 is a deficient number, since it is larger than the sum of its proper divisors (2040452).

2331928 is a wasteful number, since it uses less digits than its factorization.

2331928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291497 (or 291493 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 2331928 is about 1527.0651590551. The cubic root of 2331928 is about 132.6086068120.

The spelling of 2331928 in words is "two million, three hundred thirty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 291491 582982 1165964 2331928