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206442706 = 2294775731
BaseRepresentation
bin11000100111000…
…01000011010010
3112101110101011011
430103201003102
5410322131311
632252441134
75054506531
oct1423410322
9471411134
10206442706
11a6593508
12591791aa
1333a01962
141d5bc318
15131cd321
hexc4e10d2

206442706 has 16 divisors (see below), whose sum is σ = 327162240. Its totient is φ = 97540240.

The previous prime is 206442701. The next prime is 206442707. The reversal of 206442706 is 607244602.

It is not an unprimeable number, because it can be changed into a prime (206442701) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 35140 + ... + 40591.

It is an arithmetic number, because the mean of its divisors is an integer number (20447640).

Almost surely, 2206442706 is an apocalyptic number.

206442706 is a deficient number, since it is larger than the sum of its proper divisors (120719534).

206442706 is a wasteful number, since it uses less digits than its factorization.

206442706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75809.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 206442706 is about 14368.1142116841. The cubic root of 206442706 is about 591.0168293321.

The spelling of 206442706 in words is "two hundred six million, four hundred forty-two thousand, seven hundred six".

Divisors: 1 2 29 47 58 94 1363 2726 75731 151462 2196199 3559357 4392398 7118714 103221353 206442706