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544446091 = 74311316007
BaseRepresentation
bin100000011100111…
…001011010001011
31101221110201122001
4200130321122023
52103334233331
6130005211431
716330500250
oct4034713213
91357421561
10544446091
1125a364452
12132400b77
1388a47567
1452445427
1532be7561
hex2073968b

544446091 has 16 divisors (see below), whose sum is σ = 642369024. Its totient is φ = 451753344.

The previous prime is 544446059. The next prime is 544446103. The reversal of 544446091 is 190644445.

It is not a de Polignac number, because 544446091 - 25 = 544446059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 544446091.

It is not an unprimeable number, because it can be changed into a prime (544446391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26010 + ... + 42016.

It is an arithmetic number, because the mean of its divisors is an integer number (40148064).

Almost surely, 2544446091 is an apocalyptic number.

544446091 is a deficient number, since it is larger than the sum of its proper divisors (97922933).

544446091 is a wasteful number, since it uses less digits than its factorization.

544446091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16170.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 544446091 is about 23333.3686166400. The cubic root of 544446091 is about 816.5540954004.

The spelling of 544446091 in words is "five hundred forty-four million, four hundred forty-six thousand, ninety-one".

Divisors: 1 7 43 113 301 791 4859 16007 34013 112049 688301 1808791 4818107 12661537 77778013 544446091