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45380520 = 2333542019
BaseRepresentation
bin1010110100011…
…1001110101000
310011101120101000
42231013032220
543104134040
64300355000
71060504503
oct255071650
9104346330
1045380520
1123686069
1213245a60
13952b8a3
14605413a
153eb6130
hex2b473a8

45380520 has 64 divisors (see below), whose sum is σ = 151272000. Its totient is φ = 12101184.

The previous prime is 45380513. The next prime is 45380539. The reversal of 45380520 is 2508354.

45380520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 15 ways as a sum of consecutive naturals, for example, 19930 + ... + 22089.

It is an arithmetic number, because the mean of its divisors is an integer number (2363625).

Almost surely, 245380520 is an apocalyptic number.

45380520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45380520 is an abundant number, since it is smaller than the sum of its proper divisors (105891480).

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

45380520 is a wasteful number, since it uses less digits than its factorization.

45380520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42039 (or 42029 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 45380520 is about 6736.5065130229. The cubic root of 45380520 is about 356.6890873999.

Adding to 45380520 its reverse (2508354), we get a palindrome (47888874).

The spelling of 45380520 in words is "forty-five million, three hundred eighty thousand, five hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 42019 84038 126057 168076 210095 252114 336152 378171 420190 504228 630285 756342 840380 1008456 1134513 1260570 1512684 1680760 1890855 2269026 2521140 3025368 3781710 4538052 5042280 5672565 7563420 9076104 11345130 15126840 22690260 45380520