Search a number
-
+
48130580 = 2252406529
BaseRepresentation
bin1011011110011…
…0101000010100
310100120021202002
42313212220110
544310134310
64435334432
71123050251
oct267465024
9110507662
1048130580
1125194243
1214151418
139c82544
14656c428
15435ada5
hex2de6a14

48130580 has 12 divisors (see below), whose sum is σ = 101074260. Its totient is φ = 19252224.

The previous prime is 48130571. The next prime is 48130601. The reversal of 48130580 is 8503184.

48130580 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 2 ways, for example, as 21215236 + 26915344 = 4606^2 + 5188^2 .

It is a super-3 number, since 3×481305803 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1203245 + ... + 1203284.

It is an arithmetic number, because the mean of its divisors is an integer number (8422855).

Almost surely, 248130580 is an apocalyptic number.

It is an amenable number.

48130580 is an abundant number, since it is smaller than the sum of its proper divisors (52943680).

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

48130580 is a wasteful number, since it uses less digits than its factorization.

48130580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406538 (or 2406536 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 48130580 is about 6937.6206295819. The cubic root of 48130580 is about 363.7533751847.

The spelling of 48130580 in words is "forty-eight million, one hundred thirty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 2406529 4813058 9626116 12032645 24065290 48130580