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1689088 = 293299
BaseRepresentation
bin110011100011000000000
310011210222211
412130120000
5413022323
6100111504
720233312
oct6343000
93153884
101689088
11a54045
12695594
13471a7b
1431d7b2
1523570d
hex19c600

1689088 has 20 divisors (see below), whose sum is σ = 3375900. Its totient is φ = 844288.

The previous prime is 1689071. The next prime is 1689109. The reversal of 1689088 is 8809861.

It is a happy number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1689088.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (168795).

21689088 is an apocalyptic number.

It is an amenable number.

1689088 is a deficient number, since it is larger than the sum of its proper divisors (1686812).

1689088 is an frugal number, since it uses more digits than its factorization.

1689088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317 (or 3301 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1689088 is about 1299.6491834337. The cubic root of 1689088 is about 119.0924122689.

The spelling of 1689088 in words is "one million, six hundred eighty-nine thousand, eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 512 3299 6598 13196 26392 52784 105568 211136 422272 844544 1689088