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45287055 = 32511191479
BaseRepresentation
bin1010110011000…
…0011010001111
310011012211011100
42230300122033
543043141210
64254354143
71056635142
oct254603217
9104184140
1045287055
1123621920
12131bb953
1394c8198
14602c059
153e985c0
hex2b3068f

45287055 has 48 divisors (see below), whose sum is σ = 86261760. Its totient is φ = 21796800.

The previous prime is 45287017. The next prime is 45287059. The reversal of 45287055 is 55078254.

It is a happy number.

45287055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45287055 - 28 = 45286799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45287059) 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 47 ways as a sum of consecutive naturals, for example, 94306 + ... + 94784.

It is an arithmetic number, because the mean of its divisors is an integer number (1797120).

Almost surely, 245287055 is an apocalyptic number.

45287055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45287055 is a deficient number, since it is larger than the sum of its proper divisors (40974705).

45287055 is a wasteful number, since it uses less digits than its factorization.

45287055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 45287055 is about 6729.5657363607. The cubic root of 45287055 is about 356.4440420279. Note that the first 3 decimals are identical.

The spelling of 45287055 in words is "forty-five million, two hundred eighty-seven thousand, fifty-five".

Divisors: 1 3 5 9 11 15 33 45 55 99 165 191 479 495 573 955 1437 1719 2101 2395 2865 4311 5269 6303 7185 8595 10505 15807 18909 21555 26345 31515 47421 79035 91489 94545 237105 274467 457445 823401 1006379 1372335 3019137 4117005 5031895 9057411 15095685 45287055