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47305030 = 2547100649
BaseRepresentation
bin1011010001110…
…1000101000110
310022000100022011
42310131011012
544102230110
64405524434
71113041353
oct264350506
9108010264
1047305030
112477aa73
1213a1371a
139a53856
1463d562a
15424648a
hex2d1d146

47305030 has 16 divisors (see below), whose sum is σ = 86961600. Its totient is φ = 18519232.

The previous prime is 47305007. The next prime is 47305081. The reversal of 47305030 is 3050374.

It is a junction number, because it is equal to n+sod(n) for n = 47304992 and 47305010.

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, 49855 + ... + 50794.

It is an arithmetic number, because the mean of its divisors is an integer number (5435100).

Almost surely, 247305030 is an apocalyptic number.

47305030 is a deficient number, since it is larger than the sum of its proper divisors (39656570).

47305030 is a wasteful number, since it uses less digits than its factorization.

47305030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100703.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 47305030 is about 6877.8652211278. The cubic root of 47305030 is about 361.6616345179.

The spelling of 47305030 in words is "forty-seven million, three hundred five thousand, thirty".

Divisors: 1 2 5 10 47 94 235 470 100649 201298 503245 1006490 4730503 9461006 23652515 47305030