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48303731 = 76900533
BaseRepresentation
bin1011100001000…
…0111001110011
310100220002021002
42320100321303
544331204411
64443152215
71124401130
oct270207163
9110802232
1048303731
11252a2343
121421566b
13a0132b8
1465b5587
15439233b
hex2e10e73

48303731 has 4 divisors (see below), whose sum is σ = 55204272. Its totient is φ = 41403192.

The previous prime is 48303721. The next prime is 48303743. The reversal of 48303731 is 13730384.

48303731 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48303731 is a prime.

It is a super-2 number, since 2×483037312 = 4666500857040722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48303694 and 48303703.

It is not an unprimeable number, because it can be changed into a prime (48303701) 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 3 ways as a sum of consecutive naturals, for example, 3450260 + ... + 3450273.

It is an arithmetic number, because the mean of its divisors is an integer number (13801068).

Almost surely, 248303731 is an apocalyptic number.

48303731 is a deficient number, since it is larger than the sum of its proper divisors (6900541).

48303731 is an equidigital number, since it uses as much as digits as its factorization.

48303731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900540.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 48303731 is about 6950.0885605868. The cubic root of 48303731 is about 364.1890571849.

The spelling of 48303731 in words is "forty-eight million, three hundred three thousand, seven hundred thirty-one".

Divisors: 1 7 6900533 48303731