Search a number
-
+
2552551248 = 2431322917863
BaseRepresentation
bin1001100000100100…
…1101011101010000
320120220002001001010
42120021031131100
520211423114443
61101142010520
7120153220242
oct23011153520
96526061033
102552551248
11109a937595
125b2a16a40
13318a9bb70
141a3010092
15ee15b733
hex9824d750

2552551248 has 80 divisors (see below), whose sum is σ = 7132737920. Its totient is φ = 781926912.

The previous prime is 2552551231. The next prime is 2552551249. The reversal of 2552551248 is 8421552552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552551249) 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, 133965 + ... + 151827.

It is an arithmetic number, because the mean of its divisors is an integer number (89159224).

Almost surely, 22552551248 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 2552551248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3566368960).

2552551248 is an abundant number, since it is smaller than the sum of its proper divisors (4580186672).

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

2552551248 is a wasteful number, since it uses less digits than its factorization.

2552551248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18116 (or 18110 counting only the distinct ones).

The product of its digits is 160000, while the sum is 39.

The square root of 2552551248 is about 50522.7794959858. The cubic root of 2552551248 is about 1366.6526781303.

The spelling of 2552551248 in words is "two billion, five hundred fifty-two million, five hundred fifty-one thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 229 312 458 624 687 916 1374 1832 2748 2977 3664 5496 5954 8931 10992 11908 17862 17863 23816 35724 35726 47632 53589 71448 71452 107178 142896 142904 214356 232219 285808 428712 464438 696657 857424 928876 1393314 1857752 2786628 3715504 4090627 5573256 8181254 11146512 12271881 16362508 24543762 32725016 49087524 53178151 65450032 98175048 106356302 159534453 196350096 212712604 319068906 425425208 638137812 850850416 1276275624 2552551248