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48909761 = 415920219
BaseRepresentation
bin1011101010010…
…0110111000001
310102000212120122
42322210313001
5100010103021
64504150025
71132504025
oct272446701
9112025518
1048909761
112567669a
1214468315
13a1960b4
1466d2385
154461bab
hex2ea4dc1

48909761 has 8 divisors (see below), whose sum is σ = 50954400. Its totient is φ = 46905760.

The previous prime is 48909737. The next prime is 48909779. The reversal of 48909761 is 16790984.

48909761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48909761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48909961) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7691 + ... + 12528.

It is an arithmetic number, because the mean of its divisors is an integer number (6369300).

Almost surely, 248909761 is an apocalyptic number.

48909761 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

48909761 is a deficient number, since it is larger than the sum of its proper divisors (2044639).

48909761 is a wasteful number, since it uses less digits than its factorization.

48909761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20319.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 48909761 is about 6993.5513868134. The cubic root of 48909761 is about 365.7057988913.

The spelling of 48909761 in words is "forty-eight million, nine hundred nine thousand, seven hundred sixty-one".

Divisors: 1 41 59 2419 20219 828979 1192921 48909761