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445446053 = 131712831571
BaseRepresentation
bin11010100011001…
…111011110100101
31011001012000002222
4122203033132211
51403013233203
6112111242125
714016141353
oct3243173645
91131160088
10445446053
11209496238
12105219345
1371393c60
14432347d3
152918e038
hex1a8cf7a5

445446053 has 16 divisors (see below), whose sum is σ = 508648896. Its totient is φ = 386446080.

The previous prime is 445446041. The next prime is 445446059. The reversal of 445446053 is 350644544.

It is a cyclic number.

It is not a de Polignac number, because 445446053 - 26 = 445445989 is a prime.

It is a super-2 number, since 2×4454460532 = 396844372266557618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445446059) 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 15 ways as a sum of consecutive naturals, for example, 282758 + ... + 284328.

It is an arithmetic number, because the mean of its divisors is an integer number (31790556).

Almost surely, 2445446053 is an apocalyptic number.

It is an amenable number.

445446053 is a deficient number, since it is larger than the sum of its proper divisors (63202843).

445446053 is a wasteful number, since it uses less digits than its factorization.

445446053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 445446053 is about 21105.5929317326. The cubic root of 445446053 is about 763.7156760468.

The spelling of 445446053 in words is "four hundred forty-five million, four hundred forty-six thousand, fifty-three".

Divisors: 1 13 17 221 1283 1571 16679 20423 21811 26707 283543 347191 2015593 26202709 34265081 445446053