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120660045 = 35114715559
BaseRepresentation
bin1110011000100…
…10000001001101
322102001011110120
413030102001031
5221342110140
615550055153
72663410362
oct714220115
9272034416
10120660045
1162122750
12344aa4b9
131bcc849c
141204c469
15a8d61d0
hex731204d

120660045 has 32 divisors (see below), whose sum is σ = 215101440. Its totient is φ = 57253440.

The previous prime is 120660031. The next prime is 120660053. The reversal of 120660045 is 540066021.

It is not a de Polignac number, because 120660045 - 211 = 120657997 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120659997 and 120660024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (6721920).

Almost surely, 2120660045 is an apocalyptic number.

120660045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120660045 is a deficient number, since it is larger than the sum of its proper divisors (94441395).

120660045 is a wasteful number, since it uses less digits than its factorization.

120660045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15625.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 120660045 is about 10984.5366311010. The cubic root of 120660045 is about 494.1451012615.

The spelling of 120660045 in words is "one hundred twenty million, six hundred sixty thousand, forty-five".

Divisors: 1 3 5 11 15 33 47 55 141 165 235 517 705 1551 2585 7755 15559 46677 77795 171149 233385 513447 731273 855745 2193819 2567235 3656365 8044003 10969095 24132009 40220015 120660045