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48422731 = 72988219
BaseRepresentation
bin1011100010110…
…1111101001011
310101010010111111
42320231331023
544344011411
64445511151
71125405100
oct270557513
9111103444
1048422731
1125373795
12142724b7
13a055506
146606aa7
1543b7721
hex2e2df4b

48422731 has 6 divisors (see below), whose sum is σ = 56328540. Its totient is φ = 41505156.

The previous prime is 48422711. The next prime is 48422753. The reversal of 48422731 is 13722484.

It is not a de Polignac number, because 48422731 - 29 = 48422219 is a prime.

It is a super-2 number, since 2×484227312 = 4689521754996722, 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 = 48422693 and 48422702.

It is not an unprimeable number, because it can be changed into a prime (48422711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 494061 + ... + 494158.

It is an arithmetic number, because the mean of its divisors is an integer number (9388090).

Almost surely, 248422731 is an apocalyptic number.

48422731 is a deficient number, since it is larger than the sum of its proper divisors (7905809).

48422731 is an equidigital number, since it uses as much as digits as its factorization.

48422731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988233 (or 988226 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 48422731 is about 6958.6443363632. The cubic root of 48422731 is about 364.4878812873.

The spelling of 48422731 in words is "forty-eight million, four hundred twenty-two thousand, seven hundred thirty-one".

Divisors: 1 7 49 988219 6917533 48422731