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1993088 = 2723677
BaseRepresentation
bin111100110100110000000
310202021000002
413212212000
51002234323
6110415132
722640516
oct7464600
93667002
101993088
111141489
128014a8
1354a256
1439c4b6
15295828
hex1e6980

1993088 has 32 divisors (see below), whose sum is σ = 4149360. Its totient is φ = 951808.

The previous prime is 1993087. The next prime is 1993109. The reversal of 1993088 is 8803991.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993087) 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, 2606 + ... + 3282.

21993088 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 1993088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2074680).

1993088 is an abundant number, since it is smaller than the sum of its proper divisors (2156272).

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

1993088 is an equidigital number, since it uses as much as digits as its factorization.

1993088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1993088 is about 1411.7676862714. The cubic root of 1993088 is about 125.8467945581.

The spelling of 1993088 in words is "one million, nine hundred ninety-three thousand, eighty-eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 368 677 736 1354 1472 2708 2944 5416 10832 15571 21664 31142 43328 62284 86656 124568 249136 498272 996544 1993088