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45812871 = 3413139313
BaseRepresentation
bin1010111011000…
…0110010000111
310012012112110000
42232300302013
543212002441
64313532343
71064255136
oct256606207
9105175400
1045812871
1123950985
12134140b3
139650610
14612791d
15404e2b6
hex2bb0c87

45812871 has 40 divisors (see below), whose sum is σ = 74468240. Its totient is φ = 27900288.

The previous prime is 45812863. The next prime is 45812873. The reversal of 45812871 is 17821854.

45812871 is a `hidden beast` number, since 4 + 581 + 2 + 8 + 71 = 666.

45812871 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 45812871 - 23 = 45812863 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45812873) 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 39 ways as a sum of consecutive naturals, for example, 146211 + ... + 146523.

It is an arithmetic number, because the mean of its divisors is an integer number (1861706).

Almost surely, 245812871 is an apocalyptic number.

45812871 is a deficient number, since it is larger than the sum of its proper divisors (28655369).

45812871 is a wasteful number, since it uses less digits than its factorization.

45812871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 468 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 45812871 is about 6768.5205916803. The cubic root of 45812871 is about 357.8182628859.

The spelling of 45812871 in words is "forty-five million, eight hundred twelve thousand, eight hundred seventy-one".

Divisors: 1 3 9 13 27 39 81 117 139 313 351 417 939 1053 1251 1807 2817 3753 4069 5421 8451 11259 12207 16263 25353 36621 43507 48789 109863 130521 146367 329589 391563 565591 1174689 1696773 3524067 5090319 15270957 45812871