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45120969 = 35185683
BaseRepresentation
bin1010110000011…
…1110111001001
310010220101100000
42230013313021
543022332334
64251033213
71055344005
oct254076711
9103811300
1045120969
1123519063
121313b809
13946a6ca
145dc7705
153e64299
hex2b07dc9

45120969 has 12 divisors (see below), whose sum is σ = 67588976. Its totient is φ = 30080484.

The previous prime is 45120961. The next prime is 45120973. The reversal of 45120969 is 96902154.

It is not a de Polignac number, because 45120969 - 23 = 45120961 is a prime.

It is a super-2 number, since 2×451209692 = 4071803686997922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45120961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92599 + ... + 93084.

Almost surely, 245120969 is an apocalyptic number.

It is an amenable number.

45120969 is a deficient number, since it is larger than the sum of its proper divisors (22468007).

45120969 is an equidigital number, since it uses as much as digits as its factorization.

45120969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185698 (or 185686 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 45120969 is about 6717.2143779993. The cubic root of 45120969 is about 356.0077666319.

The spelling of 45120969 in words is "forty-five million, one hundred twenty thousand, nine hundred sixty-nine".

Divisors: 1 3 9 27 81 243 185683 557049 1671147 5013441 15040323 45120969