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47949468 = 2237570827
BaseRepresentation
bin1011011011101…
…0011010011100
310100020002022020
42312322122130
544233340333
64431420140
71121364240
oct266723234
9110202266
1047949468
1125080166
1214084650
139c1ac88
146522420
1543223b3
hex2dba69c

47949468 has 24 divisors (see below), whose sum is σ = 127865472. Its totient is φ = 13699824.

The previous prime is 47949443. The next prime is 47949479. The reversal of 47949468 is 86494974.

It is a self number, because there is not a number n which added to its sum of digits gives 47949468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285330 + ... + 285497.

It is an arithmetic number, because the mean of its divisors is an integer number (5327728).

Almost surely, 247949468 is an apocalyptic number.

It is an amenable number.

47949468 is an abundant number, since it is smaller than the sum of its proper divisors (79916004).

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

47949468 is a wasteful number, since it uses less digits than its factorization.

47949468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570841 (or 570839 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 47949468 is about 6924.5554369938. Note that the first 3 decimals coincide. The cubic root of 47949468 is about 363.2965422070.

The spelling of 47949468 in words is "forty-seven million, nine hundred forty-nine thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 570827 1141654 1712481 2283308 3424962 3995789 6849924 7991578 11987367 15983156 23974734 47949468