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552980 = 22543643
BaseRepresentation
bin10000111000000010100
31001002112202
42013000110
5120143410
615504032
74462121
oct2070024
91032482
10552980
1134850a
12228018
1316490c
14105748
15adca5
hex87014

552980 has 24 divisors (see below), whose sum is σ = 1190112. Its totient is φ = 215712.

The previous prime is 552971. The next prime is 552983. The reversal of 552980 is 89255.

552980 = T264 + T265 + ... + T278.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (49588).

2552980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595056).

552980 is an abundant number, since it is smaller than the sum of its proper divisors (637132).

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

552980 is a wasteful number, since it uses less digits than its factorization.

552980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 552980 is about 743.6262502091. The cubic root of 552980 is about 82.0798349980.

The spelling of 552980 in words is "five hundred fifty-two thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 643 860 1286 2572 3215 6430 12860 27649 55298 110596 138245 276490 552980