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47084420 = 2254335437
BaseRepresentation
bin1011001110011…
…1001110000100
310021121010200102
42303213032010
544023200140
64401103232
71111132235
oct263471604
9107533612
1047084420
112463a249
1213927b18
1399a7306
14637908c
154200e15
hex2ce7384

47084420 has 24 divisors (see below), whose sum is σ = 99123864. Its totient is φ = 18786816.

The previous prime is 47084399. The next prime is 47084539. The reversal of 47084420 is 2448074.

47084420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 817216 + 46267204 = 904^2 + 6802^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5942 + ... + 11378.

It is an arithmetic number, because the mean of its divisors is an integer number (4130161).

Almost surely, 247084420 is an apocalyptic number.

It is an amenable number.

47084420 is an abundant number, since it is smaller than the sum of its proper divisors (52039444).

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

47084420 is a wasteful number, since it uses less digits than its factorization.

47084420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 47084420 is about 6861.8087994347. The cubic root of 47084420 is about 361.0985476409.

The spelling of 47084420 in words is "forty-seven million, eighty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 433 866 1732 2165 4330 5437 8660 10874 21748 27185 54370 108740 2354221 4708442 9416884 11771105 23542210 47084420