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204880384 = 29400157
BaseRepresentation
bin11000011011000…
…11101000000000
3112021112000001101
430031203220000
5404422133014
632155144144
75035311622
oct1415435000
9467460041
10204880384
11a5716735
1258745054
13335a57c7
141d2d2c12
1512ec0474
hexc363a00

204880384 has 20 divisors (see below), whose sum is σ = 409361634. Its totient is φ = 102439936.

The previous prime is 204880381. The next prime is 204880411. The reversal of 204880384 is 483088402.

It can be written as a sum of positive squares in only one way, i.e., 131606784 + 73273600 = 11472^2 + 8560^2 .

It is not an unprimeable number, because it can be changed into a prime (204880381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199567 + ... + 200590.

Almost surely, 2204880384 is an apocalyptic number.

It is an amenable number.

204880384 is a deficient number, since it is larger than the sum of its proper divisors (204481250).

204880384 is an frugal number, since it uses more digits than its factorization.

204880384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400175 (or 400159 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 204880384 is about 14313.6432818483. The cubic root of 204880384 is about 589.5221487543.

The spelling of 204880384 in words is "two hundred four million, eight hundred eighty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 256 512 400157 800314 1600628 3201256 6402512 12805024 25610048 51220096 102440192 204880384