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47880485 = 59576097
BaseRepresentation
bin1011011010100…
…1100100100101
310100002120200022
42312221210211
544224133420
64430124525
71120656152
oct266514445
9110076608
1047880485
1125033354
1214050745
139bc5763
146505229
15430bc25
hex2da9925

47880485 has 4 divisors (see below), whose sum is σ = 57456588. Its totient is φ = 38304384.

The previous prime is 47880409. The next prime is 47880491. The reversal of 47880485 is 58408874.

47880485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29953729 + 17926756 = 5473^2 + 4234^2 .

It is a cyclic number.

It is not a de Polignac number, because 47880485 - 28 = 47880229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4788044 + ... + 4788053.

It is an arithmetic number, because the mean of its divisors is an integer number (14364147).

Almost surely, 247880485 is an apocalyptic number.

It is an amenable number.

47880485 is a deficient number, since it is larger than the sum of its proper divisors (9576103).

47880485 is an equidigital number, since it uses as much as digits as its factorization.

47880485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576102.

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 47880485 is about 6919.5726024083. The cubic root of 47880485 is about 363.1222384781.

The spelling of 47880485 in words is "forty-seven million, eight hundred eighty thousand, four hundred eighty-five".

Divisors: 1 5 9576097 47880485