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204175245 = 3550327061
BaseRepresentation
bin11000010101101…
…11011110001101
3112020012011210010
430022313132031
5404232101440
632132103433
75026314051
oct1412673615
9466164703
10204175245
11a528497a
1258464b79
13333b9871
141d18bc61
1512dd1580
hexc2b778d

204175245 has 16 divisors (see below), whose sum is σ = 327341952. Its totient is φ = 108672960.

The previous prime is 204175243. The next prime is 204175249. The reversal of 204175245 is 542571402.

It is not a de Polignac number, because 204175245 - 21 = 204175243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204175243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5986 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (20458872).

Almost surely, 2204175245 is an apocalyptic number.

It is an amenable number.

204175245 is a deficient number, since it is larger than the sum of its proper divisors (123166707).

204175245 is a wasteful number, since it uses less digits than its factorization.

204175245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27572.

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 204175245 is about 14288.9903422180. The cubic root of 204175245 is about 588.8450498133.

The spelling of 204175245 in words is "two hundred four million, one hundred seventy-five thousand, two hundred forty-five".

Divisors: 1 3 5 15 503 1509 2515 7545 27061 81183 135305 405915 13611683 40835049 68058415 204175245