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1994860 = 225714249
BaseRepresentation
bin111100111000001101100
310202100102201
413213001230
51002313420
6110431244
722645630
oct7470154
93670381
101994860
11114284a
12802524
1354acba
1439cdc0
1529610a
hex1e706c

1994860 has 24 divisors (see below), whose sum is σ = 4788000. Its totient is φ = 683904.

The previous prime is 1994843. The next prime is 1994869. The reversal of 1994860 is 684991.

It is not an unprimeable number, because it can be changed into a prime (1994869) 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, 6985 + ... + 7264.

It is an arithmetic number, because the mean of its divisors is an integer number (199500).

21994860 is an apocalyptic number.

1994860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994860 is an abundant number, since it is smaller than the sum of its proper divisors (2793140).

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

1994860 is a wasteful number, since it uses less digits than its factorization.

1994860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14265 (or 14263 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1994860 is about 1412.3951288503. The cubic root of 1994860 is about 125.8840791578.

The spelling of 1994860 in words is "one million, nine hundred ninety-four thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 14249 28498 56996 71245 99743 142490 199486 284980 398972 498715 997430 1994860