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204440442 = 23731373407
BaseRepresentation
bin11000010111110…
…00001101111010
3112020200122120020
430023320031322
5404314043232
632141511310
75031500163
oct1413701572
9466618506
10204440442
11a5446148
1258572536
133348049b
141d21a76a
1512e34e2c
hexc2f837a

204440442 has 32 divisors (see below), whose sum is σ = 417629952. Its totient is φ = 66703104.

The previous prime is 204440417. The next prime is 204440507. The reversal of 204440442 is 244044402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58303 + ... + 61709.

It is an arithmetic number, because the mean of its divisors is an integer number (13050936).

Almost surely, 2204440442 is an apocalyptic number.

204440442 is an abundant number, since it is smaller than the sum of its proper divisors (213189510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204440442 is a wasteful number, since it uses less digits than its factorization.

204440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 204440442 is about 14298.2670977989. The cubic root of 204440442 is about 589.0998838064.

Adding to 204440442 its reverse (244044402), we get a palindrome (448484844).

It can be divided in two parts, 2044 and 40442, that added together give a triangular number (42486 = T291).

The spelling of 204440442 in words is "two hundred four million, four hundred forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 73 137 146 219 274 411 438 822 3407 6814 10001 10221 20002 20442 30003 60006 248711 466759 497422 746133 933518 1400277 1492266 2800554 34073407 68146814 102220221 204440442