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16700080 = 2451991049
BaseRepresentation
bin111111101101…
…001010110000
31011102110012111
4333231022300
513233400310
61353535104
7261643165
oct77551260
934373174
1016700080
119477021
125714494
1335c9407
14230a06c
1516ed28a
hexfed2b0

16700080 has 40 divisors (see below), whose sum is σ = 39060000. Its totient is φ = 6640128.

The previous prime is 16700071. The next prime is 16700081. The reversal of 16700080 is 8000761.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (16700081) 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, 15396 + ... + 16444.

It is an arithmetic number, because the mean of its divisors is an integer number (976500).

Almost surely, 216700080 is an apocalyptic number.

16700080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16700080 is an abundant number, since it is smaller than the sum of its proper divisors (22359920).

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

16700080 is a wasteful number, since it uses less digits than its factorization.

16700080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 16700080 is about 4086.5731365045. The cubic root of 16700080 is about 255.6070632018.

The spelling of 16700080 in words is "sixteen million, seven hundred thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 199 398 796 995 1049 1592 1990 2098 3184 3980 4196 5245 7960 8392 10490 15920 16784 20980 41960 83920 208751 417502 835004 1043755 1670008 2087510 3340016 4175020 8350040 16700080