[go: up one dir, main page]

Search a number
-
+
48980880 = 24325135233
BaseRepresentation
bin1011101011011…
…0001110010000
310102011111010200
42322312032100
5100014342010
64505455200
71133221254
oct272661620
9112144120
1048980880
1125715073
12144a1500
13a1bc590
146710264
154477cc0
hex2eb6390

48980880 has 120 divisors (see below), whose sum is σ = 177181368. Its totient is φ = 12054528.

The previous prime is 48980863. The next prime is 48980881. The reversal of 48980880 is 8808984.

48980880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8225424 + 40755456 = 2868^2 + 6384^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (48980881) 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 23 ways as a sum of consecutive naturals, for example, 6744 + ... + 11976.

Almost surely, 248980880 is an apocalyptic number.

48980880 is a gapful number since it is divisible by the number (40) 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 48980880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88590684).

48980880 is an abundant number, since it is smaller than the sum of its proper divisors (128200488).

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

48980880 is a wasteful number, since it uses less digits than its factorization.

48980880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265 (or 5256 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 48980880 is about 6998.6341524615. The cubic root of 48980880 is about 365.8829689428.

The spelling of 48980880 in words is "forty-eight million, nine hundred eighty thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 195 208 234 240 260 312 360 390 468 520 585 624 720 780 936 1040 1170 1560 1872 2340 3120 4680 5233 9360 10466 15699 20932 26165 31398 41864 47097 52330 62796 68029 78495 83728 94194 104660 125592 136058 156990 188388 204087 209320 235485 251184 272116 313980 340145 376776 408174 418640 470970 544232 612261 627960 680290 753552 816348 941940 1020435 1088464 1224522 1255920 1360580 1632696 1883880 2040870 2449044 2721160 3061305 3265392 3767760 4081740 4898088 5442320 6122610 8163480 9796176 12245220 16326960 24490440 48980880