Search a number
-
+
2184438 = 23364073
BaseRepresentation
bin1000010101010011110110
311002222111010
420111103312
51024400223
6114453050
724365424
oct10252366
94088433
102184438
111262223
12894186
135b6389
1440c114
152d2393
hex2154f6

2184438 has 8 divisors (see below), whose sum is σ = 4368888. Its totient is φ = 728144.

The previous prime is 2184409. The next prime is 2184461. The reversal of 2184438 is 8344812.

2184438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2184438 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182031 + ... + 182042.

It is an arithmetic number, because the mean of its divisors is an integer number (546111).

22184438 is an apocalyptic number.

2184438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2184438 is a wasteful number, since it uses less digits than its factorization.

2184438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364078.

The product of its digits is 6144, while the sum is 30.

The square root of 2184438 is about 1477.9844383484. The cubic root of 2184438 is about 129.7517550559.

It can be divided in two parts, 218 and 4438, that added together give a triangular number (4656 = T96).

The spelling of 2184438 in words is "two million, one hundred eighty-four thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 364073 728146 1092219 2184438