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47190112 = 252397661
BaseRepresentation
bin1011010000000…
…1000001100000
310021210111122221
42310001001200
544040040422
64403240424
71112052334
oct264010140
9107714587
1047190112
11247016a2
1213979114
139a13458
1463a57c4
1542223c7
hex2d01060

47190112 has 48 divisors (see below), whose sum is σ = 98092512. Its totient is φ = 22302720.

The previous prime is 47190109. The next prime is 47190119. The reversal of 47190112 is 21109174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47190119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71062 + ... + 71722.

It is an arithmetic number, because the mean of its divisors is an integer number (2043594).

Almost surely, 247190112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47190112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49046256).

47190112 is an abundant number, since it is smaller than the sum of its proper divisors (50902400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47190112 is a wasteful number, since it uses less digits than its factorization.

47190112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 47190112 is about 6869.5059502121. The cubic root of 47190112 is about 361.3685357908.

Adding to 47190112 its reverse (21109174), we get a palindrome (68299286).

The spelling of 47190112 in words is "forty-seven million, one hundred ninety thousand, one hundred twelve".

Divisors: 1 2 4 8 16 23 32 46 92 97 184 194 368 388 661 736 776 1322 1552 2231 2644 3104 4462 5288 8924 10576 15203 17848 21152 30406 35696 60812 64117 71392 121624 128234 243248 256468 486496 512936 1025872 1474691 2051744 2949382 5898764 11797528 23595056 47190112