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48380789 = 131369319
BaseRepresentation
bin1011100010001…
…1101101110101
310101000222222002
42320203231311
544341141124
64444545045
71125141602
oct270435565
9111028862
1048380789
1125345226
1214252185
13a03c3b2
1465d56a9
1543aa0ae
hex2e23b75

48380789 has 4 divisors (see below), whose sum is σ = 48750240. Its totient is φ = 48011340.

The previous prime is 48380741. The next prime is 48380797. The reversal of 48380789 is 98708384.

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 48380789 - 212 = 48376693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48380089) 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, 184529 + ... + 184790.

It is an arithmetic number, because the mean of its divisors is an integer number (12187560).

Almost surely, 248380789 is an apocalyptic number.

It is an amenable number.

48380789 is a deficient number, since it is larger than the sum of its proper divisors (369451).

48380789 is a wasteful number, since it uses less digits than its factorization.

48380789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369450.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 48380789 is about 6955.6300217881. The cubic root of 48380789 is about 364.3826155281.

The spelling of 48380789 in words is "forty-eight million, three hundred eighty thousand, seven hundred eighty-nine".

Divisors: 1 131 369319 48380789