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469812945 = 3574474409
BaseRepresentation
bin11100000000001…
…100011011010001
31012202000222012110
4130000030123101
51430233003240
6114341415533
714433226020
oct3400143321
91182028173
10469812945
11221219468
1211140a5a9
1376445c34
14465788b7
152b3a3c80
hex1c00c6d1

469812945 has 16 divisors (see below), whose sum is σ = 859086720. Its totient is φ = 214771584.

The previous prime is 469812907. The next prime is 469812947. The reversal of 469812945 is 549218964.

It is not a de Polignac number, because 469812945 - 28 = 469812689 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 469812894 and 469812903.

It is not an unprimeable number, because it can be changed into a prime (469812947) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2237100 + ... + 2237309.

It is an arithmetic number, because the mean of its divisors is an integer number (53692920).

Almost surely, 2469812945 is an apocalyptic number.

It is an amenable number.

469812945 is a deficient number, since it is larger than the sum of its proper divisors (389273775).

469812945 is a wasteful number, since it uses less digits than its factorization.

469812945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474424.

The product of its digits is 622080, while the sum is 48.

The square root of 469812945 is about 21675.1688574738. The cubic root of 469812945 is about 777.3948507354.

The spelling of 469812945 in words is "four hundred sixty-nine million, eight hundred twelve thousand, nine hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 4474409 13423227 22372045 31320863 67116135 93962589 156604315 469812945