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544626445 = 51123171409
BaseRepresentation
bin100000011101100…
…101011100001101
31101221210220000211
4200131211130031
52103411021240
6130013122421
716332151126
oct4035453415
91357726024
10544626445
1125a477a00
12132489411
1388aab68c
145249104d
1532c30bea
hex2076570d

544626445 has 48 divisors (see below), whose sum is σ = 753822720. Its totient is φ = 376992000.

The previous prime is 544626443. The next prime is 544626461.

It is a happy number.

544626445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 544626445 - 21 = 544626443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 544626398 and 544626407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544626443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1331401 + ... + 1331809.

It is an arithmetic number, because the mean of its divisors is an integer number (15704640).

Almost surely, 2544626445 is an apocalyptic number.

544626445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

544626445 is a deficient number, since it is larger than the sum of its proper divisors (209196275).

544626445 is a wasteful number, since it uses less digits than its factorization.

544626445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 527 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

The square root of 544626445 is about 23337.2330193620. The cubic root of 544626445 is about 816.6442497433.

The spelling of 544626445 in words is "five hundred forty-four million, six hundred twenty-six thousand, four hundred forty-five".

Divisors: 1 5 11 31 55 71 121 155 341 355 409 605 781 1705 2045 2201 3751 3905 4499 8591 11005 12679 18755 22495 24211 29039 42955 49489 63395 121055 139469 145195 247445 266321 319429 697345 900209 1331605 1534159 1597145 3513719 4501045 7670795 9902299 17568595 49511495 108925289 544626445