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471966140 = 225208311329
BaseRepresentation
bin11100001000011…
…010000110111100
31012220002100211102
4130020122012330
51431310404030
6114455512232
714460434402
oct3410320674
91186070742
10471966140
1122245a168
12112088678
1376a1b009
1446979472
152b67bc45
hex1c21a1bc

471966140 has 24 divisors (see below), whose sum is σ = 991692240. Its totient is φ = 188679168.

The previous prime is 471966139. The next prime is 471966167. The reversal of 471966140 is 41669174.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 471966094 and 471966103.

It is a congruent number.

It is an unprimeable number.

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, 35996 + ... + 47324.

It is an arithmetic number, because the mean of its divisors is an integer number (41320510).

Almost surely, 2471966140 is an apocalyptic number.

It is an amenable number.

471966140 is an abundant number, since it is smaller than the sum of its proper divisors (519726100).

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

471966140 is a wasteful number, since it uses less digits than its factorization.

471966140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13421 (or 13419 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 471966140 is about 21724.7817020103. The cubic root of 471966140 is about 778.5806645291.

The spelling of 471966140 in words is "four hundred seventy-one million, nine hundred sixty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2083 4166 8332 10415 11329 20830 22658 41660 45316 56645 113290 226580 23598307 47196614 94393228 117991535 235983070 471966140