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472741009 = 1336364693
BaseRepresentation
bin11100001011010…
…111010010010001
31012221112201202021
4130023113102101
51432010203014
6114524251441
714500142446
oct3413272221
91187481667
10472741009
11222939354
121123a0b81
1376c2c910
1446adb9cd
152b781624
hex1c2d7491

472741009 has 4 divisors (see below), whose sum is σ = 509105716. Its totient is φ = 436376304.

The previous prime is 472741007. The next prime is 472741013. The reversal of 472741009 is 900147274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27531009 + 445210000 = 5247^2 + 21100^2 .

It is not a de Polignac number, because 472741009 - 21 = 472741007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472741001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18182334 + ... + 18182359.

It is an arithmetic number, because the mean of its divisors is an integer number (127276429).

Almost surely, 2472741009 is an apocalyptic number.

It is an amenable number.

472741009 is a deficient number, since it is larger than the sum of its proper divisors (36364707).

472741009 is a wasteful number, since it uses less digits than its factorization.

472741009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36364706.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 472741009 is about 21742.6081462183. The cubic root of 472741009 is about 779.0065200498.

The spelling of 472741009 in words is "four hundred seventy-two million, seven hundred forty-one thousand, nine".

Divisors: 1 13 36364693 472741009