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470227709 = 72337193409
BaseRepresentation
bin11100000001110…
…001101011111101
31012202211001011002
4130001301223331
51430334241314
6114354340045
714436604160
oct3401615375
91182731132
10470227709
11221482046
1211158a625
137655c963
1446645ad7
152b436ade
hex1c071afd

470227709 has 32 divisors (see below), whose sum is σ = 580323840. Its totient is φ = 372252672.

The previous prime is 470227697. The next prime is 470227727. The reversal of 470227709 is 907722074.

It is a cyclic number.

It is not a de Polignac number, because 470227709 - 220 = 469179133 is a prime.

It is a super-2 number, since 2×4702277092 = 442228196622777362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470227739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1149497 + ... + 1149905.

It is an arithmetic number, because the mean of its divisors is an integer number (18135120).

Almost surely, 2470227709 is an apocalyptic number.

It is an amenable number.

470227709 is a deficient number, since it is larger than the sum of its proper divisors (110096131).

470227709 is a wasteful number, since it uses less digits than its factorization.

470227709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 470227709 is about 21684.7344692067. The cubic root of 470227709 is about 777.6235520820.

The spelling of 470227709 in words is "four hundred seventy million, two hundred twenty-seven thousand, seven hundred nine".

Divisors: 1 7 23 37 161 193 259 409 851 1351 2863 4439 5957 7141 9407 15133 31073 49987 65849 78937 105931 164243 348059 552559 1149701 1815551 2436413 2920669 12708857 20444683 67175387 470227709