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6993080 = 235792213
BaseRepresentation
bin11010101011010010111000
3111011021200222
4122223102320
53242234310
6405515212
7113303663
oct32532270
914137628
106993080
113a47006
122412b08
1315ab023
14d006da
15932055
hex6ab4b8

6993080 has 32 divisors (see below), whose sum is σ = 15940800. Its totient is φ = 2760576.

The previous prime is 6993079. The next prime is 6993131. The reversal of 6993080 is 803996.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6993080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2054 + ... + 4266.

It is an arithmetic number, because the mean of its divisors is an integer number (498150).

Almost surely, 26993080 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 6993080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7970400).

6993080 is an abundant number, since it is smaller than the sum of its proper divisors (8947720).

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

6993080 is a wasteful number, since it uses less digits than its factorization.

6993080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6993080 is about 2644.4432306253. The cubic root of 6993080 is about 191.2300618570.

The spelling of 6993080 in words is "six million, nine hundred ninety-three thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 2213 3160 4426 8852 11065 17704 22130 44260 88520 174827 349654 699308 874135 1398616 1748270 3496540 6993080