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205675136 = 271606837
BaseRepresentation
bin11000100001001…
…01101010000000
3112100000101020122
430100211222000
5410123101021
632224155412
75045131652
oct1420455200
9470011218
10205675136
11a6109857
1258a68b68
13337c3484
141d45c6d2
15130cabab
hexc425a80

205675136 has 16 divisors (see below), whose sum is σ = 409743690. Its totient is φ = 102837504.

The previous prime is 205675069. The next prime is 205675189. The reversal of 205675136 is 631576502.

It can be written as a sum of positive squares in only one way, i.e., 169000000 + 36675136 = 13000^2 + 6056^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 205675096 and 205675105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803291 + ... + 803546.

Almost surely, 2205675136 is an apocalyptic number.

It is an amenable number.

205675136 is a deficient number, since it is larger than the sum of its proper divisors (204068554).

205675136 is an equidigital number, since it uses as much as digits as its factorization.

205675136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606851 (or 1606839 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 205675136 is about 14341.3784553647. The cubic root of 205675136 is about 590.2834374998.

The spelling of 205675136 in words is "two hundred five million, six hundred seventy-five thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 128 1606837 3213674 6427348 12854696 25709392 51418784 102837568 205675136