Search a number
-
+
2069904 = 243291487
BaseRepresentation
bin111111001010110010000
310220011101010
413321112100
51012214104
6112210520
723410464
oct7712620
93804333
102069904
111194171
12839a40
135761c5
143bc4a4
152ad489
hex1f9590

2069904 has 40 divisors (see below), whose sum is σ = 5535360. Its totient is φ = 665728.

The previous prime is 2069887. The next prime is 2069909. The reversal of 2069904 is 4099602.

It is not an unprimeable number, because it can be changed into a prime (2069909) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 649 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (138384).

22069904 is an apocalyptic number.

2069904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2069904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767680).

2069904 is an abundant number, since it is smaller than the sum of its proper divisors (3465456).

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

2069904 is a wasteful number, since it uses less digits than its factorization.

2069904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2069904 is about 1438.7160943007. The cubic root of 2069904 is about 127.4432196232.

The spelling of 2069904 in words is "two million, sixty-nine thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 29 48 58 87 116 174 232 348 464 696 1392 1487 2974 4461 5948 8922 11896 17844 23792 35688 43123 71376 86246 129369 172492 258738 344984 517476 689968 1034952 2069904