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208528 = 2413033
BaseRepresentation
bin110010111010010000
3101121001021
4302322100
523133103
64245224
71525645
oct627220
9347037
10208528
11132741
12a0814
1373bb8
1455dcc
1541bbd
hex32e90

208528 has 10 divisors (see below), whose sum is σ = 404054. Its totient is φ = 104256.

The previous prime is 208519. The next prime is 208529. The reversal of 208528 is 825802.

It can be written as a sum of positive squares in only one way, i.e., 186624 + 21904 = 432^2 + 148^2 .

It is not an unprimeable number, because it can be changed into a prime (208529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501 + ... + 6532.

2208528 is an apocalyptic number.

It is an amenable number.

208528 is a deficient number, since it is larger than the sum of its proper divisors (195526).

208528 is a wasteful number, since it uses less digits than its factorization.

208528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13041 (or 13035 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 208528 is about 456.6486614455. The cubic root of 208528 is about 59.3000135552.

The spelling of 208528 in words is "two hundred eight thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 13033 26066 52132 104264 208528