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206304074 = 2614014217
BaseRepresentation
bin11000100101111…
…11001101001010
3112101012022222122
430102333031022
5410303212244
632245451242
75053361414
oct1422771512
9471168878
10206304074
11a64a9339
1259110b22
1333983822
141d5839b4
15131a21ee
hexc4bf34a

206304074 has 16 divisors (see below), whose sum is σ = 315388296. Its totient is φ = 101184000.

The previous prime is 206304073. The next prime is 206304121. The reversal of 206304074 is 470403602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 202863049 + 3441025 = 14243^2 + 1855^2 .

It is a super-2 number, since 2×2063040742 = 85122741897994952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206304073) 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, 46814 + ... + 51030.

Almost surely, 2206304074 is an apocalyptic number.

206304074 is a deficient number, since it is larger than the sum of its proper divisors (109084222).

206304074 is a wasteful number, since it uses less digits than its factorization.

206304074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 206304074 is about 14363.2891080003. The cubic root of 206304074 is about 590.8845049796.

Adding to 206304074 its reverse (470403602), we get a palindrome (676707676).

The spelling of 206304074 in words is "two hundred six million, three hundred four thousand, seventy-four".

Divisors: 1 2 61 122 401 802 4217 8434 24461 48922 257237 514474 1691017 3382034 103152037 206304074