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206051301 = 3271322459
BaseRepresentation
bin11000100100000…
…01011111100101
3112100201111020200
430102001133211
5410222120201
632240221113
75051256441
oct1422013745
9470644220
10206051301
11a6346435
125900a799
13338c5761
141d519821
1513152386
hexc4817e5

206051301 has 12 divisors (see below), whose sum is σ = 301822560. Its totient is φ = 135432360.

The previous prime is 206051299. The next prime is 206051303. The reversal of 206051301 is 103150602.

It is an interprime number because it is at equal distance from previous prime (206051299) and next prime (206051303).

It is not a de Polignac number, because 206051301 - 21 = 206051299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206051303) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 160591 + ... + 161868.

It is an arithmetic number, because the mean of its divisors is an integer number (25151880).

Almost surely, 2206051301 is an apocalyptic number.

It is an amenable number.

206051301 is a deficient number, since it is larger than the sum of its proper divisors (95771259).

206051301 is a wasteful number, since it uses less digits than its factorization.

206051301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322536 (or 322533 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 206051301 is about 14354.4871381739. The cubic root of 206051301 is about 590.6430802897.

It can be divided in two parts, 2060 and 51301, that added together give a square (53361 = 2312).

The spelling of 206051301 in words is "two hundred six million, fifty-one thousand, three hundred one".

Divisors: 1 3 9 71 213 639 322459 967377 2902131 22894589 68683767 206051301