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206230700 = 225213212203
BaseRepresentation
bin11000100101011…
…01010010101100
3112101001121100002
430102231102230
5410243340300
632244123432
75052634454
oct1422552254
9471047302
10206230700
11a64591a5
1259096578
1333959300
141d564d64
151318a5d5
hexc4ad4ac

206230700 has 54 divisors (see below), whose sum is σ = 484633044. Its totient is φ = 76140480.

The previous prime is 206230699. The next prime is 206230721. The reversal of 206230700 is 7032602.

It is a super-2 number, since 2×2062307002 = 85062203244980000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10799 + ... + 23001.

It is an arithmetic number, because the mean of its divisors is an integer number (8974686).

Almost surely, 2206230700 is an apocalyptic number.

206230700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206230700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242316522).

206230700 is an abundant number, since it is smaller than the sum of its proper divisors (278402344).

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

206230700 is a wasteful number, since it uses less digits than its factorization.

206230700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12243 (or 12223 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 206230700 is about 14360.7346608730. The cubic root of 206230700 is about 590.8144454476.

The spelling of 206230700 in words is "two hundred six million, two hundred thirty thousand, seven hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 169 260 325 338 650 676 845 1300 1690 3380 4225 8450 12203 16900 24406 48812 61015 122030 158639 244060 305075 317278 610150 634556 793195 1220300 1586390 2062307 3172780 3965975 4124614 7931950 8249228 10311535 15863900 20623070 41246140 51557675 103115350 206230700