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445683401 = 7122727653
BaseRepresentation
bin11010100100001…
…001011011001001
31011001122001200122
4122210021123021
51403043332101
6112120313025
714021150342
oct3244113311
91131561618
10445683401
11209638599
12105312775
1371447cb7
14432970c9
15291d951b
hex1a9096c9

445683401 has 8 divisors (see below), whose sum is σ = 453968064. Its totient is φ = 437454640.

The previous prime is 445683391. The next prime is 445683409. The reversal of 445683401 is 104386544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445683401 - 218 = 445421257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445683409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291 + ... + 29943.

It is an arithmetic number, because the mean of its divisors is an integer number (56746008).

Almost surely, 2445683401 is an apocalyptic number.

It is an amenable number.

445683401 is a deficient number, since it is larger than the sum of its proper divisors (8284663).

445683401 is a wasteful number, since it uses less digits than its factorization.

445683401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27951.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 445683401 is about 21111.2150526681. The cubic root of 445683401 is about 763.8512960631.

The spelling of 445683401 in words is "four hundred forty-five million, six hundred eighty-three thousand, four hundred one".

Divisors: 1 71 227 16117 27653 1963363 6277231 445683401