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45065120 = 255713967
BaseRepresentation
bin1010101111101…
…0001110100000
310010210112201112
42223322032200
543014040440
64245522452
71055022122
oct253721640
9103715645
1045065120
1123490101
1213113428
13944b169
145db1212
153e52965
hex2afa3a0

45065120 has 48 divisors (see below), whose sum is σ = 107993088. Its totient is φ = 17767680.

The previous prime is 45065107. The next prime is 45065143. The reversal of 45065120 is 2156054.

45065120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×450651202 = 4061730081228800, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9377 + ... + 13343.

It is an arithmetic number, because the mean of its divisors is an integer number (2249856).

Almost surely, 245065120 is an apocalyptic number.

45065120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45065120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53996544).

45065120 is an abundant number, since it is smaller than the sum of its proper divisors (62927968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45065120 is a wasteful number, since it uses less digits than its factorization.

45065120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053 (or 4045 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 45065120 is about 6713.0559360101. The cubic root of 45065120 is about 355.8608217473.

The spelling of 45065120 in words is "forty-five million, sixty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 71 80 142 160 284 355 568 710 1136 1420 2272 2840 3967 5680 7934 11360 15868 19835 31736 39670 63472 79340 126944 158680 281657 317360 563314 634720 1126628 1408285 2253256 2816570 4506512 5633140 9013024 11266280 22532560 45065120