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47331045 = 3252936269
BaseRepresentation
bin1011010010001…
…1011011100101
310022001122222200
42310203123211
544104043140
64410245113
71113210246
oct264433345
9108048880
1047331045
1124798573
1213a26799
139a62648
146400ccd
15424e030
hex2d236e5

47331045 has 24 divisors (see below), whose sum is σ = 84871800. Its totient is φ = 24372096.

The previous prime is 47330993. The next prime is 47331047. The reversal of 47331045 is 54013374.

It can be written as a sum of positive squares in 4 ways, for example, as 17715681 + 29615364 = 4209^2 + 5442^2 .

It is not a de Polignac number, because 47331045 - 26 = 47330981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47331047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16830 + ... + 19439.

It is an arithmetic number, because the mean of its divisors is an integer number (3536325).

Almost surely, 247331045 is an apocalyptic number.

47331045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47331045 is a deficient number, since it is larger than the sum of its proper divisors (37540755).

47331045 is a wasteful number, since it uses less digits than its factorization.

47331045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36309 (or 36306 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 47331045 is about 6879.7561730050. The cubic root of 47331045 is about 361.7279199511.

It can be divided in two parts, 4733 and 1045, that added together give a triangular number (5778 = T107).

The spelling of 47331045 in words is "forty-seven million, three hundred thirty-one thousand, forty-five".

Divisors: 1 3 5 9 15 29 45 87 145 261 435 1305 36269 108807 181345 326421 544035 1051801 1632105 3155403 5259005 9466209 15777015 47331045