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48385561 = 76912223
BaseRepresentation
bin1011100010010…
…0111000011001
310101001020111211
42320210320121
544341314221
64445023121
71125161530
oct270447031
9111036454
1048385561
1125348874
1214254aa1
13a041613
1465d7317
1543ab6e1
hex2e24e19

48385561 has 4 divisors (see below), whose sum is σ = 55297792. Its totient is φ = 41473332.

The previous prime is 48385559. The next prime is 48385567. The reversal of 48385561 is 16558384.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48385561 - 21 = 48385559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48385567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456105 + ... + 3456118.

It is an arithmetic number, because the mean of its divisors is an integer number (13824448).

Almost surely, 248385561 is an apocalyptic number.

It is an amenable number.

48385561 is a deficient number, since it is larger than the sum of its proper divisors (6912231).

48385561 is an equidigital number, since it uses as much as digits as its factorization.

48385561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912230.

The product of its digits is 115200, while the sum is 40.

The square root of 48385561 is about 6955.9730448011. The cubic root of 48385561 is about 364.3945953291.

The spelling of 48385561 in words is "forty-eight million, three hundred eighty-five thousand, five hundred sixty-one".

Divisors: 1 7 6912223 48385561