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485952921 = 32149362381
BaseRepresentation
bin11100111101110…
…000110110011001
31020212101222002100
4130331300312121
51443400443141
6120115354013
715020350236
oct3475606631
91225358070
10485952921
1122a342693
121168b2909
13798a740c
144877a78d
152c9e10b6
hex1cf70d99

485952921 has 12 divisors (see below), whose sum is σ = 706644900. Its totient is φ = 321793440.

The previous prime is 485952917. The next prime is 485952923. The reversal of 485952921 is 129259584.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 160655625 + 325297296 = 12675^2 + 18036^2 .

It is not a de Polignac number, because 485952921 - 22 = 485952917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485952923) 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 11 ways as a sum of consecutive naturals, for example, 179850 + ... + 182531.

It is an arithmetic number, because the mean of its divisors is an integer number (58887075).

Almost surely, 2485952921 is an apocalyptic number.

It is an amenable number.

485952921 is a deficient number, since it is larger than the sum of its proper divisors (220691979).

485952921 is a wasteful number, since it uses less digits than its factorization.

485952921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362536 (or 362533 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 485952921 is about 22044.3398857847. The cubic root of 485952921 is about 786.1970302239.

The spelling of 485952921 in words is "four hundred eighty-five million, nine hundred fifty-two thousand, nine hundred twenty-one".

Divisors: 1 3 9 149 447 1341 362381 1087143 3261429 53994769 161984307 485952921