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445929248 = 2537332
BaseRepresentation
bin11010100101000…
…101011100100000
31011002002112221002
4122211011130200
51403124213443
6112125451132
714023223162
oct3245053440
91132075832
10445929248
11209796276
12105410aa8
1371502b7b
144331c932
15292372b8
hex1a945720

445929248 has 18 divisors (see below), whose sum is σ = 878158449. Its totient is φ = 222904896.

The previous prime is 445929247. The next prime is 445929269. The reversal of 445929248 is 842929544.

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 444872464 + 1056784 = 21092^2 + 1028^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=14932.

It is a super-3 number, since 3×4459292483 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445929247) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 117590 + ... + 121322.

Almost surely, 2445929248 is an apocalyptic number.

It is an amenable number.

445929248 is a deficient number, since it is larger than the sum of its proper divisors (432229201).

445929248 is an frugal number, since it uses more digits than its factorization.

445929248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7476 (or 3735 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 445929248 is about 21117.0369133551. The cubic root of 445929248 is about 763.9917216285.

The spelling of 445929248 in words is "four hundred forty-five million, nine hundred twenty-nine thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 3733 7466 14932 29864 59728 119456 13935289 27870578 55741156 111482312 222964624 445929248