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471237980 = 22547501317
BaseRepresentation
bin11100000101101…
…000010101011100
31012211201100222112
4130011220111130
51431114103410
6114432133152
714451312443
oct3405502534
91184640875
10471237980
11222002084
121119971b8
1376824755
1446829d5a
152b586105
hex1c16855c

471237980 has 24 divisors (see below), whose sum is σ = 1010657088. Its totient is φ = 184484288.

The previous prime is 471237971. The next prime is 471237983. The reversal of 471237980 is 89732174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (471237983) by changing a digit.

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, 249719 + ... + 251598.

It is an arithmetic number, because the mean of its divisors is an integer number (42110712).

Almost surely, 2471237980 is an apocalyptic number.

It is an amenable number.

471237980 is an abundant number, since it is smaller than the sum of its proper divisors (539419108).

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

471237980 is a wasteful number, since it uses less digits than its factorization.

471237980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501373 (or 501371 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 471237980 is about 21708.0164916097. The cubic root of 471237980 is about 778.1800545016.

The spelling of 471237980 in words is "four hundred seventy-one million, two hundred thirty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 501317 1002634 2005268 2506585 5013170 10026340 23561899 47123798 94247596 117809495 235618990 471237980