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48073761 = 3228119009
BaseRepresentation
bin1011011101100…
…0110000100001
310100110101210200
42313120300201
544301330021
64434215413
71122422511
oct267306041
9110411720
1048073761
112515558a
1214124569
139c62718
146555841
154349126
hex2dd8c21

48073761 has 12 divisors (see below), whose sum is σ = 69690660. Its totient is φ = 31933440.

The previous prime is 48073757. The next prime is 48073783. The reversal of 48073761 is 16737084.

It can be written as a sum of positive squares in 2 ways, for example, as 36723600 + 11350161 = 6060^2 + 3369^2 .

It is not a de Polignac number, because 48073761 - 22 = 48073757 is a prime.

It is a super-3 number, since 3×480737613 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48073661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6976 + ... + 12033.

It is an arithmetic number, because the mean of its divisors is an integer number (5807555).

Almost surely, 248073761 is an apocalyptic number.

It is an amenable number.

48073761 is a deficient number, since it is larger than the sum of its proper divisors (21616899).

48073761 is a wasteful number, since it uses less digits than its factorization.

48073761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19296 (or 19293 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 48073761 is about 6933.5244284563. The cubic root of 48073761 is about 363.6101797264.

The spelling of 48073761 in words is "forty-eight million, seventy-three thousand, seven hundred sixty-one".

Divisors: 1 3 9 281 843 2529 19009 57027 171081 5341529 16024587 48073761