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45133227 = 331997907
BaseRepresentation
bin1010110000101…
…0110110101011
310010221000011000
42230022312223
543023230402
64251210043
71055424516
oct254126653
9103830130
1045133227
1123527297
1213146923
139473169
145dcbd7d
153e67c1c
hex2b0adab

45133227 has 32 divisors (see below), whose sum is σ = 71187200. Its totient is φ = 28180224.

The previous prime is 45133223. The next prime is 45133237. The reversal of 45133227 is 72233154.

It is not a de Polignac number, because 45133227 - 22 = 45133223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 45133227.

It is not an unprimeable number, because it can be changed into a prime (45133223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49308 + ... + 50214.

It is an arithmetic number, because the mean of its divisors is an integer number (2224600).

Almost surely, 245133227 is an apocalyptic number.

45133227 is a deficient number, since it is larger than the sum of its proper divisors (26053973).

45133227 is a wasteful number, since it uses less digits than its factorization.

45133227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1026 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 45133227 is about 6718.1267478368. The cubic root of 45133227 is about 356.0400025536.

The spelling of 45133227 in words is "forty-five million, one hundred thirty-three thousand, two hundred twenty-seven".

Divisors: 1 3 9 19 27 57 97 171 291 513 873 907 1843 2619 2721 5529 8163 16587 17233 24489 49761 51699 87979 155097 263937 465291 791811 1671601 2375433 5014803 15044409 45133227