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45071155 = 571126961
BaseRepresentation
bin1010101111101…
…1101100110011
310010210212000001
42223323230303
543014234110
64250010431
71055045533
oct253735463
9103725001
1045071155
1123494698
1213116a17
139450b2c
145db34c3
153e5463a
hex2afbb33

45071155 has 8 divisors (see below), whose sum is σ = 54847584. Its totient is φ = 35548800.

The previous prime is 45071153. The next prime is 45071161. The reversal of 45071155 is 55117054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45071155 - 21 = 45071153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45071153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63126 + ... + 63835.

It is an arithmetic number, because the mean of its divisors is an integer number (6855948).

Almost surely, 245071155 is an apocalyptic number.

45071155 is a deficient number, since it is larger than the sum of its proper divisors (9776429).

45071155 is a wasteful number, since it uses less digits than its factorization.

45071155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127037.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 45071155 is about 6713.5054181850. The cubic root of 45071155 is about 355.8767063472.

The spelling of 45071155 in words is "forty-five million, seventy-one thousand, one hundred fifty-five".

Divisors: 1 5 71 355 126961 634805 9014231 45071155