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478034369 = 2361340723
BaseRepresentation
bin11100011111100…
…011100111000001
31020022111122212122
4130133203213001
51434334044434
6115233534025
714563140131
oct3437434701
91208448778
10478034369
1122592432a
12114114315
1378064097
14476b8ac1
152be79c2e
hex1c7e39c1

478034369 has 8 divisors (see below), whose sum is σ = 506997312. Its totient is φ = 449753040.

The previous prime is 478034363. The next prime is 478034387. The reversal of 478034369 is 963430874.

It is a happy number.

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

It is not a de Polignac number, because 478034369 - 28 = 478034113 is a prime.

It is a super-2 number, since 2×4780343692 = 457033715890456322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (478034363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168959 + ... + 171764.

It is an arithmetic number, because the mean of its divisors is an integer number (63374664).

Almost surely, 2478034369 is an apocalyptic number.

It is an amenable number.

478034369 is a deficient number, since it is larger than the sum of its proper divisors (28962943).

478034369 is a wasteful number, since it uses less digits than its factorization.

478034369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340807.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 478034369 is about 21863.9970956822. The cubic root of 478034369 is about 781.9032902820.

The spelling of 478034369 in words is "four hundred seventy-eight million, thirty-four thousand, three hundred sixty-nine".

Divisors: 1 23 61 1403 340723 7836629 20784103 478034369