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1994884 = 223491429
BaseRepresentation
bin111100111000010000100
310202100110121
413213002010
51002314014
6110431324
722645663
oct7470204
93670417
101994884
111142871
12802544
1354b008
1439cdda
15296124
hex1e7084

1994884 has 12 divisors (see below), whose sum is σ = 3503500. Its totient is φ = 993888.

The previous prime is 1994879. The next prime is 1994897. The reversal of 1994884 is 4884991.

It can be written as a sum of positive squares in 2 ways, for example, as 722500 + 1272384 = 850^2 + 1128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1994884.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682 + ... + 2110.

21994884 is an apocalyptic number.

It is an amenable number.

1994884 is a deficient number, since it is larger than the sum of its proper divisors (1508616).

1994884 is a wasteful number, since it uses less digits than its factorization.

1994884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782 (or 1780 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 1994884 is about 1412.4036250307. The cubic root of 1994884 is about 125.8845839895.

The spelling of 1994884 in words is "one million, nine hundred ninety-four thousand, eight hundred eighty-four".

Divisors: 1 2 4 349 698 1396 1429 2858 5716 498721 997442 1994884