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47461872 = 243988789
BaseRepresentation
bin1011010100001…
…1010111110000
310022022022110010
42311003113300
544122234442
64413134520
71114263543
oct265032760
9108268403
1047461872
1124877897
1213a8a440
139aaa063
14643685a
154277b9c
hex2d435f0

47461872 has 20 divisors (see below), whose sum is σ = 122609960. Its totient is φ = 15820608.

The previous prime is 47461859. The next prime is 47461877. The reversal of 47461872 is 27816474.

47461872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 47461872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47461877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494347 + ... + 494442.

It is an arithmetic number, because the mean of its divisors is an integer number (6130498).

Almost surely, 247461872 is an apocalyptic number.

It is an amenable number.

47461872 is an abundant number, since it is smaller than the sum of its proper divisors (75148088).

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

47461872 is a wasteful number, since it uses less digits than its factorization.

47461872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988800 (or 988794 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 47461872 is about 6889.2577248932. The cubic root of 47461872 is about 362.0608955074.

The spelling of 47461872 in words is "forty-seven million, four hundred sixty-one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 988789 1977578 2966367 3955156 5932734 7910312 11865468 15820624 23730936 47461872