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48077181 = 3213938431
BaseRepresentation
bin1011011101100…
…1100101111101
310100110120111100
42313121211331
544301432211
64434243313
71122435465
oct267314575
9110416440
1048077181
1125158109
1214126539
139c64149
146556ba5
15434a156
hex2dd997d

48077181 has 12 divisors (see below), whose sum is σ = 69946240. Its totient is φ = 31820040.

The previous prime is 48077167. The next prime is 48077203. The reversal of 48077181 is 18177084.

It is not a de Polignac number, because 48077181 - 25 = 48077149 is a prime.

It is a super-3 number, since 3×480771813 (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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (48077881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17965 + ... + 20466.

Almost surely, 248077181 is an apocalyptic number.

It is an amenable number.

48077181 is a deficient number, since it is larger than the sum of its proper divisors (21869059).

48077181 is a wasteful number, since it uses less digits than its factorization.

48077181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38576 (or 38573 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 48077181 is about 6933.7710518880. The cubic root of 48077181 is about 363.6188020136.

The spelling of 48077181 in words is "forty-eight million, seventy-seven thousand, one hundred eighty-one".

Divisors: 1 3 9 139 417 1251 38431 115293 345879 5341909 16025727 48077181