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480744678 = 23419191227
BaseRepresentation
bin11100101001111…
…001010011100110
31020111121100201110
4130221321103212
51441032312203
6115412005450
714625155661
oct3451712346
91214540643
10480744678
11227405657
12115000886
13787a290b
1447bc26d8
152c312d03
hex1ca794e6

480744678 has 16 divisors (see below), whose sum is σ = 963789120. Its totient is φ = 159864936.

The previous prime is 480744673. The next prime is 480744709. The reversal of 480744678 is 876447084.

It is a happy number.

It is a super-3 number, since 3×4807446783 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480744673) 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, 93100 + ... + 98127.

It is an arithmetic number, because the mean of its divisors is an integer number (60236820).

Almost surely, 2480744678 is an apocalyptic number.

480744678 is an abundant number, since it is smaller than the sum of its proper divisors (483044442).

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

480744678 is a wasteful number, since it uses less digits than its factorization.

480744678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191651.

The product of its (nonzero) digits is 1204224, while the sum is 48.

The square root of 480744678 is about 21925.8905862453. The cubic root of 480744678 is about 783.3782239955.

The spelling of 480744678 in words is "four hundred eighty million, seven hundred forty-four thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 419 838 1257 2514 191227 382454 573681 1147362 80124113 160248226 240372339 480744678