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204127 = 7112241
BaseRepresentation
bin110001110101011111
3101101000021
4301311133
523013002
64213011
71510060
oct616537
9341007
10204127
1112a400
129a167
1371bb1
1454567
1540737
hex31d5f

204127 has 12 divisors (see below), whose sum is σ = 257488. Its totient is φ = 158400.

The previous prime is 204107. The next prime is 204133. The reversal of 204127 is 721402.

204127 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 204127 - 27 = 203999 is a prime.

It is a hoax number, since the sum of its digits (16) coincides with the sum of the digits of its distinct prime factors.

204127 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 204127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727 + ... + 967.

2204127 is an apocalyptic number.

204127 is a deficient number, since it is larger than the sum of its proper divisors (53361).

204127 is a wasteful number, since it uses less digits than its factorization.

204127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 204127 is about 451.8041611141. The cubic root of 204127 is about 58.8798666346.

Adding to 204127 its reverse (721402), we get a palindrome (925529).

It can be divided in two parts, 20412 and 7, that multiplied together give a square (142884 = 3782).

The spelling of 204127 in words is "two hundred four thousand, one hundred twenty-seven", and thus it is an iban number.

Divisors: 1 7 11 77 121 241 847 1687 2651 18557 29161 204127