Search a number
-
+
552291656 = 237432111087
BaseRepresentation
bin100000111010110…
…100110101001000
31102111020022201112
4200322310311020
52112341313111
6130445305452
716454254520
oct4072646510
91374208645
10552291656
11263832994
12134b65288
138a5635c7
14534c8680
1533746e8b
hex20eb4d48

552291656 has 64 divisors (see below), whose sum is σ = 1217863680. Its totient is φ = 229884480.

The previous prime is 552291643. The next prime is 552291659. The reversal of 552291656 is 656192255.

Its product of digits (162000) is a multiple of the sum of its prime divisors (1350).

It is not an unprimeable number, because it can be changed into a prime (552291659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507545 + ... + 508631.

It is an arithmetic number, because the mean of its divisors is an integer number (19029120).

Almost surely, 2552291656 is an apocalyptic number.

552291656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552291656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608931840).

552291656 is an abundant number, since it is smaller than the sum of its proper divisors (665572024).

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

552291656 is a wasteful number, since it uses less digits than its factorization.

552291656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354 (or 1350 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The square root of 552291656 is about 23500.8862811597. The cubic root of 552291656 is about 820.4576346954.

The spelling of 552291656 in words is "five hundred fifty-two million, two hundred ninety-one thousand, six hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 43 56 86 172 211 301 344 422 602 844 1087 1204 1477 1688 2174 2408 2954 4348 5908 7609 8696 9073 11816 15218 18146 30436 36292 46741 60872 63511 72584 93482 127022 186964 229357 254044 327187 373928 458714 508088 654374 917428 1308748 1605499 1834856 2617496 3210998 6421996 9862351 12843992 19724702 39449404 69036457 78898808 138072914 276145828 552291656