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47705044 = 22137263331
BaseRepresentation
bin1011010111111…
…0101111010100
310022202200000111
42311332233110
544203030134
64422252404
71116325522
oct265765724
9108680014
1047705044
1124a23562
1213b87104
139b6394a
14649b312
1542c4c64
hex2d7ebd4

47705044 has 24 divisors (see below), whose sum is σ = 84667968. Its totient is φ = 23517120.

The previous prime is 47705041. The next prime is 47705083. The reversal of 47705044 is 44050774.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47704997 and 47705015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47705041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143959 + ... + 144289.

It is an arithmetic number, because the mean of its divisors is an integer number (3527832).

Almost surely, 247705044 is an apocalyptic number.

It is an amenable number.

47705044 is a deficient number, since it is larger than the sum of its proper divisors (36962924).

47705044 is a wasteful number, since it uses less digits than its factorization.

47705044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 47705044 is about 6906.8838125453. The cubic root of 47705044 is about 362.6781849325.

The spelling of 47705044 in words is "forty-seven million, seven hundred five thousand, forty-four".

Divisors: 1 2 4 137 263 274 331 526 548 662 1052 1324 36031 45347 72062 87053 90694 144124 174106 181388 348212 11926261 23852522 47705044