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48731863 = 612812843
BaseRepresentation
bin1011100111100…
…1011011010111
310101200211112211
42321321123113
544433404423
64500254251
71131133255
oct271713327
9111624484
1048731863
1125564a74
12143a1387
13a13312b
1466875d5
15442910d
hex2e796d7

48731863 has 8 divisors (see below), whose sum is σ = 49724496. Its totient is φ = 47745600.

The previous prime is 48731833. The next prime is 48731867. The reversal of 48731863 is 36813784.

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

It is a cyclic number.

It is not a de Polignac number, because 48731863 - 29 = 48731351 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 (48731867) 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 7 ways as a sum of consecutive naturals, for example, 15720 + ... + 18562.

It is an arithmetic number, because the mean of its divisors is an integer number (6215562).

Almost surely, 248731863 is an apocalyptic number.

48731863 is a deficient number, since it is larger than the sum of its proper divisors (992633).

48731863 is a wasteful number, since it uses less digits than its factorization.

48731863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185.

The product of its digits is 96768, while the sum is 40.

The square root of 48731863 is about 6980.8210835116. The cubic root of 48731863 is about 365.2618699980.

It can be divided in two parts, 48731 and 863, that added together give a palindrome (49594).

The spelling of 48731863 in words is "forty-eight million, seven hundred thirty-one thousand, eight hundred sixty-three".

Divisors: 1 61 281 2843 17141 173423 798883 48731863