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16808804 = 2237137829
BaseRepresentation
bin100000000011…
…1101101100100
31011121222100022
41000013231210
513300340204
61400134312
7262605155
oct100075544
934558308
1016808804
119540781
125767398
133636a4c
14233792c
1517205be
hex1007b64

16808804 has 24 divisors (see below), whose sum is σ = 30467640. Its totient is φ = 8107776.

The previous prime is 16808797. The next prime is 16808809. The reversal of 16808804 is 40880861.

It can be written as a sum of positive squares in 4 ways, for example, as 7011904 + 9796900 = 2648^2 + 3130^2 .

It is not an unprimeable number, because it can be changed into a prime (16808809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19862 + ... + 20690.

It is an arithmetic number, because the mean of its divisors is an integer number (1269485).

Almost surely, 216808804 is an apocalyptic number.

It is an amenable number.

16808804 is a deficient number, since it is larger than the sum of its proper divisors (13658836).

16808804 is a wasteful number, since it uses less digits than its factorization.

16808804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 16808804 is about 4099.8541437471. The cubic root of 16808804 is about 256.1605641488.

The spelling of 16808804 in words is "sixteen million, eight hundred eight thousand, eight hundred four".

Divisors: 1 2 4 37 74 137 148 274 548 829 1658 3316 5069 10138 20276 30673 61346 113573 122692 227146 454292 4202201 8404402 16808804