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1994912 = 25312011
BaseRepresentation
bin111100111000010100000
310202100111122
413213002200
51002314122
6110431412
722646033
oct7470240
93670448
101994912
111142897
12802568
1354b02a
1439d01a
15296142
hex1e70a0

1994912 has 24 divisors (see below), whose sum is σ = 4056192. Its totient is φ = 964800.

The previous prime is 1994911. The next prime is 1994947. The reversal of 1994912 is 2194991.

It is not an unprimeable number, because it can be changed into a prime (1994911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14 + ... + 1997.

It is an arithmetic number, because the mean of its divisors is an integer number (169008).

21994912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1994912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2028096).

1994912 is an abundant number, since it is smaller than the sum of its proper divisors (2061280).

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

1994912 is a wasteful number, since it uses less digits than its factorization.

1994912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2044 counting only the distinct ones).

The product of its digits is 5832, while the sum is 35.

The square root of 1994912 is about 1412.4135371767. The cubic root of 1994912 is about 125.8851729548.

The spelling of 1994912 in words is "one million, nine hundred ninety-four thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 2011 4022 8044 16088 32176 62341 64352 124682 249364 498728 997456 1994912