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552825 = 3552713
BaseRepresentation
bin10000110111101111001
31001002100000
42012331321
5120142300
615503213
74461510
oct2067571
91032300
10552825
11348389
12227b09
13164820
14105677
15adc00
hex86f79

552825 has 72 divisors (see below), whose sum is σ = 1263808. Its totient is φ = 233280.

The previous prime is 552821. The next prime is 552833. The reversal of 552825 is 528255.

It is not a de Polignac number, because 552825 - 22 = 552821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 552825.

It is not an unprimeable number, because it can be changed into a prime (552821) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42519 + ... + 42531.

2552825 is an apocalyptic number.

It is an amenable number.

552825 is an abundant number, since it is smaller than the sum of its proper divisors (710983).

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

552825 is a wasteful number, since it uses less digits than its factorization.

552825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45 (or 28 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 552825 is about 743.5220238836. The cubic root of 552825 is about 82.0721653033.

The spelling of 552825 in words is "five hundred fifty-two thousand, eight hundred twenty-five".

Divisors: 1 3 5 7 9 13 15 21 25 27 35 39 45 63 65 75 81 91 105 117 135 175 189 195 225 243 273 315 325 351 405 455 525 567 585 675 819 945 975 1053 1215 1365 1575 1701 1755 2025 2275 2457 2835 2925 3159 4095 4725 5265 6075 6825 7371 8505 8775 12285 14175 15795 20475 22113 26325 36855 42525 61425 78975 110565 184275 552825