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478852145 = 5401238829
BaseRepresentation
bin11100100010101…
…011010000110001
31020101001012122122
4130202223100301
51440041232040
6115303244025
714603114252
oct3442532061
91211035578
10478852145
11226332782
12114449615
137828c385
144784cb29
152c08c1b5
hex1c8ab431

478852145 has 8 divisors (see below), whose sum is σ = 576057960. Its totient is φ = 382124800.

The previous prime is 478852097. The next prime is 478852163. The reversal of 478852145 is 541258874.

478852145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 166693921 + 312158224 = 12911^2 + 17668^2 .

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

It is not a de Polignac number, because 478852145 - 220 = 477803569 is a prime.

It is a super-2 number, since 2×4788521452 = 458598753542202050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478852096 and 478852105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117410 + ... + 121419.

It is an arithmetic number, because the mean of its divisors is an integer number (72007245).

Almost surely, 2478852145 is an apocalyptic number.

It is an amenable number.

478852145 is a deficient number, since it is larger than the sum of its proper divisors (97205815).

478852145 is a wasteful number, since it uses less digits than its factorization.

478852145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239235.

The product of its digits is 358400, while the sum is 44.

The square root of 478852145 is about 21882.6905338443. The cubic root of 478852145 is about 782.3489050132.

The spelling of 478852145 in words is "four hundred seventy-eight million, eight hundred fifty-two thousand, one hundred forty-five".

Divisors: 1 5 401 2005 238829 1194145 95770429 478852145