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447370972232 = 232364772
BaseRepresentation
bin1101000001010010110…
…00110100110001001000
31120202202001102002111212
412200221120310301020
524312203432102412
6541304104312252
744215161343532
oct6405130646110
91522661362455
10447370972232
11162802283a28
1272853772688
1333257813822
141791d696852
15b985577222
hex6829634c48

447370972232 has 12 divisors (see below), whose sum is σ = 838824120105. Its totient is φ = 223684540208.

The previous prime is 447370972219. The next prime is 447370972309. The reversal of 447370972232 is 232279073744.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 428718514756 + 18652457476 = 654766^2 + 136574^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=472954.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1773578 + ... + 2010054.

Almost surely, 2447370972232 is an apocalyptic number.

It is an amenable number.

447370972232 is a deficient number, since it is larger than the sum of its proper divisors (391453147873).

447370972232 is an frugal number, since it uses more digits than its factorization.

447370972232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472960 (or 236479 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 50.

Multiplying 447370972232 by its sum of digits (50), we get a square (22368548611600 = 47295402).

The spelling of 447370972232 in words is "four hundred forty-seven billion, three hundred seventy million, nine hundred seventy-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 236477 472954 945908 1891816 55921371529 111842743058 223685486116 447370972232