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552380 = 22571389
BaseRepresentation
bin10000110110110111100
31001001201112
42012312330
5120134010
615501152
74460303
oct2066674
91031645
10552380
11348014
122277b8
1316456a
1410543a
15ada05
hex86dbc

552380 has 24 divisors (see below), whose sum is σ = 1179360. Its totient is φ = 217280.

The previous prime is 552379. The next prime is 552397. The reversal of 552380 is 83255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2552380 is an apocalyptic number.

It is an amenable number.

552380 is an abundant number, since it is smaller than the sum of its proper divisors (626980).

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

552380 is a wasteful number, since it uses less digits than its factorization.

552380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 552380 is about 743.2227122471. Note that the first 3 decimals coincide. The cubic root of 552380 is about 82.0501378880.

The spelling of 552380 in words is "five hundred fifty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 71 142 284 355 389 710 778 1420 1556 1945 3890 7780 27619 55238 110476 138095 276190 552380