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478471072 = 2519786959
BaseRepresentation
bin11100100001001…
…110001110100000
31020100022211220211
4130201032032200
51434442033242
6115251143504
714566636252
oct3441161640
91210284824
10478471072
112260a2442
121142a4b94
1378187aa1
144778dcd2
152c014317
hex1c84e3a0

478471072 has 24 divisors (see below), whose sum is σ = 991569600. Its totient is φ = 226643904.

The previous prime is 478471067. The next prime is 478471073. The reversal of 478471072 is 270174874.

It is not an unprimeable number, because it can be changed into a prime (478471073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392872 + ... + 394087.

It is an arithmetic number, because the mean of its divisors is an integer number (41315400).

Almost surely, 2478471072 is an apocalyptic number.

It is an amenable number.

478471072 is an abundant number, since it is smaller than the sum of its proper divisors (513098528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478471072 is a wasteful number, since it uses less digits than its factorization.

478471072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786988 (or 786980 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 40.

The square root of 478471072 is about 21873.9816220093. The cubic root of 478471072 is about 782.1413175095.

The spelling of 478471072 in words is "four hundred seventy-eight million, four hundred seventy-one thousand, seventy-two".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 786959 1573918 3147836 6295672 12591344 14952221 25182688 29904442 59808884 119617768 239235536 478471072