Search a number
-
+
48781760 = 265152443
BaseRepresentation
bin1011101000010…
…1100111000000
310101210100222212
42322011213000
544442004020
64501321252
71131431606
oct272054700
9111710885
1048781760
1125599505
1214406228
13a14ca61
14669b876
154438cc5
hex2e859c0

48781760 has 28 divisors (see below), whose sum is σ = 116162328. Its totient is φ = 19512576.

The previous prime is 48781753. The next prime is 48781769. The reversal of 48781760 is 6718784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48781769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75902 + ... + 76541.

Almost surely, 248781760 is an apocalyptic number.

48781760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48781760 is an abundant number, since it is smaller than the sum of its proper divisors (67380568).

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

48781760 is a wasteful number, since it uses less digits than its factorization.

48781760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152460 (or 152450 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 48781760 is about 6984.3940324125. The cubic root of 48781760 is about 365.3864924628.

The spelling of 48781760 in words is "forty-eight million, seven hundred eighty-one thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 152443 304886 609772 762215 1219544 1524430 2439088 3048860 4878176 6097720 9756352 12195440 24390880 48781760