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48771121 = 72995329
BaseRepresentation
bin1011101000001…
…1000000110001
310101202211101211
42322003000301
544441133441
64501200121
71131355600
oct272030061
9111684354
1048771121
1125591513
1214400041
13a147c69
146697a37
154435a81
hex2e83031

48771121 has 6 divisors (see below), whose sum is σ = 56733810. Its totient is φ = 41803776.

The previous prime is 48771097. The next prime is 48771131. The reversal of 48771121 is 12117784.

It can be written as a sum of positive squares in only one way, i.e., 42837025 + 5934096 = 6545^2 + 2436^2 .

It is not a de Polignac number, because 48771121 - 215 = 48738353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48771131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 497616 + ... + 497713.

It is an arithmetic number, because the mean of its divisors is an integer number (9455635).

Almost surely, 248771121 is an apocalyptic number.

It is an amenable number.

48771121 is a deficient number, since it is larger than the sum of its proper divisors (7962689).

48771121 is an equidigital number, since it uses as much as digits as its factorization.

48771121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995343 (or 995336 counting only the distinct ones).

The product of its digits is 3136, while the sum is 31.

The square root of 48771121 is about 6983.6323643216. The cubic root of 48771121 is about 365.3599276872.

The spelling of 48771121 in words is "forty-eight million, seven hundred seventy-one thousand, one hundred twenty-one".

Divisors: 1 7 49 995329 6967303 48771121