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17128053 = 321903117
BaseRepresentation
bin100000101010…
…1101001110101
31012020012021100
41001111221311
513341044203
61411040313
7265405005
oct101255165
935205240
1017128053
119739618
1258a0099
133719157
1423bc005
151784ea3
hex1055a75

17128053 has 6 divisors (see below), whose sum is σ = 24740534. Its totient is φ = 11418696.

The previous prime is 17128049. The next prime is 17128079. The reversal of 17128053 is 35082171.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 4297329 = 3582^2 + 2073^2 .

It is not a de Polignac number, because 17128053 - 22 = 17128049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17128093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 951550 + ... + 951567.

Almost surely, 217128053 is an apocalyptic number.

It is an amenable number.

17128053 is a deficient number, since it is larger than the sum of its proper divisors (7612481).

17128053 is a wasteful number, since it uses less digits than its factorization.

17128053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903123 (or 1903120 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 17128053 is about 4138.6051998228. The cubic root of 17128053 is about 257.7721532675.

It can be divided in two parts, 171 and 28053, that added together give a square (28224 = 1682).

The spelling of 17128053 in words is "seventeen million, one hundred twenty-eight thousand, fifty-three".

Divisors: 1 3 9 1903117 5709351 17128053