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485744845 = 5373260453
BaseRepresentation
bin11100111100111…
…110000011001101
31020212000101122211
4130330332003031
51443322313340
6120111110421
715015522505
oct3474760315
91225011584
10485744845
1122a210323
12116812411
13798337b1
1448724a05
152c99e5ea
hex1cf3e0cd

485744845 has 8 divisors (see below), whose sum is σ = 584458776. Its totient is φ = 387552576.

The previous prime is 485744837. The next prime is 485744849. The reversal of 485744845 is 548447584.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9326916 + 476417929 = 3054^2 + 21827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 485744845 - 23 = 485744837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485744849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128362 + ... + 132091.

It is an arithmetic number, because the mean of its divisors is an integer number (73057347).

Almost surely, 2485744845 is an apocalyptic number.

It is an amenable number.

485744845 is a deficient number, since it is larger than the sum of its proper divisors (98713931).

485744845 is a wasteful number, since it uses less digits than its factorization.

485744845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260831.

The product of its digits is 2867200, while the sum is 49.

The square root of 485744845 is about 22039.6198923666. The cubic root of 485744845 is about 786.0848025572.

The spelling of 485744845 in words is "four hundred eighty-five million, seven hundred forty-four thousand, eight hundred forty-five".

Divisors: 1 5 373 1865 260453 1302265 97148969 485744845