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48331639 = 193250423
BaseRepresentation
bin1011100001011…
…1101101110111
310100221111112201
42320113231313
544333103024
64443525331
71124545366
oct270275567
9110844481
1048331639
1125311304
1214229847
13a022c05
1465c17dd
15439a744
hex2e17b77

48331639 has 4 divisors (see below), whose sum is σ = 48582256. Its totient is φ = 48081024.

The previous prime is 48331609. The next prime is 48331669. The reversal of 48331639 is 93613384.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (48331609) and next prime (48331669).

It is a cyclic number.

It is not a de Polignac number, because 48331639 - 211 = 48329591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48331598 and 48331607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48331609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125019 + ... + 125404.

It is an arithmetic number, because the mean of its divisors is an integer number (12145564).

Almost surely, 248331639 is an apocalyptic number.

48331639 is a deficient number, since it is larger than the sum of its proper divisors (250617).

48331639 is a wasteful number, since it uses less digits than its factorization.

48331639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250616.

The product of its digits is 46656, while the sum is 37.

The square root of 48331639 is about 6952.0960148721. The cubic root of 48331639 is about 364.2591817295.

The spelling of 48331639 in words is "forty-eight million, three hundred thirty-one thousand, six hundred thirty-nine".

Divisors: 1 193 250423 48331639