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206253076 = 2251563269
BaseRepresentation
bin11000100101100…
…10110000010100
3112101002202000211
430102302300110
5410300044301
632244415204
75053056631
oct1422626024
9471082024
10206253076
11a6473a97
12590a7504
1333966553
141d56d188
1513192051
hexc4b2c14

206253076 has 6 divisors (see below), whose sum is σ = 360942890. Its totient is φ = 103126536.

The previous prime is 206253053. The next prime is 206253107. The reversal of 206253076 is 670352602.

It can be written as a sum of positive squares in only one way, i.e., 199092100 + 7160976 = 14110^2 + 2676^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25781631 + ... + 25781638.

Almost surely, 2206253076 is an apocalyptic number.

It is an amenable number.

206253076 is a deficient number, since it is larger than the sum of its proper divisors (154689814).

206253076 is a wasteful number, since it uses less digits than its factorization.

206253076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51563273 (or 51563271 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 206253076 is about 14361.5137085197. The cubic root of 206253076 is about 590.8358124344.

The spelling of 206253076 in words is "two hundred six million, two hundred fifty-three thousand, seventy-six".

Divisors: 1 2 4 51563269 103126538 206253076