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471688420 = 22573369203
BaseRepresentation
bin11100000111010…
…110010011100100
31012212120020212111
4130013112103210
51431223012140
6114445530404
714455166620
oct3407262344
91185506774
10471688420
1122228a545
12111b73a04
1376951798
1446906180
152b6247ea
hex1c1d64e4

471688420 has 24 divisors (see below), whose sum is σ = 1132052544. Its totient is φ = 161721696.

The previous prime is 471688411. The next prime is 471688447. The reversal of 471688420 is 24886174.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684462 + ... + 1684741.

It is an arithmetic number, because the mean of its divisors is an integer number (47168856).

Almost surely, 2471688420 is an apocalyptic number.

It is an amenable number.

471688420 is an abundant number, since it is smaller than the sum of its proper divisors (660364124).

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

471688420 is a wasteful number, since it uses less digits than its factorization.

471688420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369219 (or 3369217 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 471688420 is about 21718.3889826110. The cubic root of 471688420 is about 778.4279206283.

The spelling of 471688420 in words is "four hundred seventy-one million, six hundred eighty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 3369203 6738406 13476812 16846015 23584421 33692030 47168842 67384060 94337684 117922105 235844210 471688420