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6690008 = 231364327
BaseRepresentation
bin11001100001010011011000
3110120212222002
4121201103120
53203040013
6355220132
7110602253
oct31412330
913525862
106690008
11385a336
1222a7648
1315030b0
14c6209a
158c2358
hex6614d8

6690008 has 16 divisors (see below), whose sum is σ = 13508880. Its totient is φ = 3087648.

The previous prime is 6690001. The next prime is 6690029. The reversal of 6690008 is 8000966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690001) 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, 32060 + ... + 32267.

It is an arithmetic number, because the mean of its divisors is an integer number (844305).

Almost surely, 26690008 is an apocalyptic number.

It is an amenable number.

6690008 is an abundant number, since it is smaller than the sum of its proper divisors (6818872).

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

6690008 is a wasteful number, since it uses less digits than its factorization.

6690008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64346 (or 64342 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 6690008 is about 2586.5049777644. The cubic root of 6690008 is about 188.4266002833.

The spelling of 6690008 in words is "six million, six hundred ninety thousand, eight".

Divisors: 1 2 4 8 13 26 52 104 64327 128654 257308 514616 836251 1672502 3345004 6690008