Search a number
-
+
48075881 = 7172913931
BaseRepresentation
bin1011011101100…
…1010001101001
310100110111201012
42313121101221
544301412011
64434233305
71122431630
oct267312151
9110414635
1048075881
1125157137
1214125835
139c63689
146556517
154349a8b
hex2dd9469

48075881 has 16 divisors (see below), whose sum is σ = 60186240. Its totient is φ = 37443840.

The previous prime is 48075857. The next prime is 48075889. The reversal of 48075881 is 18857084.

It is not a de Polignac number, because 48075881 - 26 = 48075817 is a prime.

It is a super-3 number, since 3×480758813 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48075889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3515 + ... + 10416.

It is an arithmetic number, because the mean of its divisors is an integer number (3761640).

Almost surely, 248075881 is an apocalyptic number.

It is an amenable number.

48075881 is a deficient number, since it is larger than the sum of its proper divisors (12110359).

48075881 is a wasteful number, since it uses less digits than its factorization.

48075881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 48075881 is about 6933.6773071726. The cubic root of 48075881 is about 363.6155245842.

The spelling of 48075881 in words is "forty-eight million, seventy-five thousand, eight hundred eighty-one".

Divisors: 1 7 17 29 119 203 493 3451 13931 97517 236827 403999 1657789 2827993 6867983 48075881