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44440445 = 575412347
BaseRepresentation
bin1010100110000…
…1101101111101
310002121210211102
42221201231331
542334043240
64224302445
71046510660
oct251415575
9102553742
1044440445
11230a3845
1212a71a25
13928ca2a
145c8b6d7
153d7c815
hex2a61b7d

44440445 has 16 divisors (see below), whose sum is σ = 61085568. Its totient is φ = 30404160.

The previous prime is 44440379. The next prime is 44440469. The reversal of 44440445 is 54404444.

It is not a de Polignac number, because 44440445 - 212 = 44436349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17762 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (3817848).

Almost surely, 244440445 is an apocalyptic number.

It is an amenable number.

44440445 is a deficient number, since it is larger than the sum of its proper divisors (16645123).

44440445 is a wasteful number, since it uses less digits than its factorization.

44440445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900.

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 44440445 is about 6666.3667015849. The cubic root of 44440445 is about 354.2088976324.

Adding to 44440445 its reverse (54404444), we get a palindrome (98844889).

The spelling of 44440445 in words is "forty-four million, four hundred forty thousand, four hundred forty-five".

Divisors: 1 5 7 35 541 2347 2705 3787 11735 16429 18935 82145 1269727 6348635 8888089 44440445