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48499409 = 76928487
BaseRepresentation
bin1011100100000…
…0101011010001
310101021000200102
42321000223101
544403440114
64451302145
71126144460
oct271005321
9111230612
1048499409
1125416362
12142aa955
13a08139a
1466269d7
1543d02de
hex2e40ad1

48499409 has 4 divisors (see below), whose sum is σ = 55427904. Its totient is φ = 41570916.

The previous prime is 48499391. The next prime is 48499427. The reversal of 48499409 is 90499484.

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 an interprime number because it is at equal distance from previous prime (48499391) and next prime (48499427).

It is a cyclic number.

It is not a de Polignac number, because 48499409 - 212 = 48495313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48499439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464237 + ... + 3464250.

It is an arithmetic number, because the mean of its divisors is an integer number (13856976).

Almost surely, 248499409 is an apocalyptic number.

It is an amenable number.

48499409 is a deficient number, since it is larger than the sum of its proper divisors (6928495).

48499409 is an equidigital number, since it uses as much as digits as its factorization.

48499409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6928494.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 48499409 is about 6964.1517071356. The cubic root of 48499409 is about 364.6801701982.

The spelling of 48499409 in words is "forty-eight million, four hundred ninety-nine thousand, four hundred nine".

Divisors: 1 7 6928487 48499409