Search a number
-
+
552981384 = 23332560099
BaseRepresentation
bin100000111101011…
…101001110001000
31102112112100212000
4200331131032020
52113030401014
6130512151000
716463156424
oct4075351610
91375470760
10552981384
1126416410a
12135238460
138a745527
1453627b84
1533831509
hex20f5d388

552981384 has 32 divisors (see below), whose sum is σ = 1536060000. Its totient is φ = 184327056.

The previous prime is 552981361. The next prime is 552981397. The reversal of 552981384 is 483189255.

552981384 is a `hidden beast` number, since 552 + 9 + 8 + 13 + 84 = 666.

It is a super-2 number, since 2×5529813842 = 611576822101110912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279834 + ... + 1280265.

It is an arithmetic number, because the mean of its divisors is an integer number (48001875).

Almost surely, 2552981384 is an apocalyptic number.

552981384 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

552981384 is an abundant number, since it is smaller than the sum of its proper divisors (983078616).

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

552981384 is a wasteful number, since it uses less digits than its factorization.

552981384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560114 (or 2560104 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 552981384 is about 23515.5562128562. The cubic root of 552981384 is about 820.7990347446.

The spelling of 552981384 in words is "five hundred fifty-two million, nine hundred eighty-one thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 2560099 5120198 7680297 10240396 15360594 20480792 23040891 30721188 46081782 61442376 69122673 92163564 138245346 184327128 276490692 552981384