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472189329 = 32274119141
BaseRepresentation
bin11100001001010…
…000100110010001
31012220111200222200
4130021100212101
51431340024304
6114504353413
714462354163
oct3411204621
91186450880
10472189329
112225a1917
12112175869
1376a98791
14469d6933
152b6c2e39
hex1c250991

472189329 has 12 divisors (see below), whose sum is σ = 682335732. Its totient is φ = 314661600.

The previous prime is 472189313. The next prime is 472189351. The reversal of 472189329 is 923981274.

It can be written as a sum of positive squares in 2 ways, for example, as 197458704 + 274730625 = 14052^2 + 16575^2 .

It is not a de Polignac number, because 472189329 - 24 = 472189313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472184329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15099 + ... + 34239.

It is an arithmetic number, because the mean of its divisors is an integer number (56861311).

Almost surely, 2472189329 is an apocalyptic number.

It is an amenable number.

472189329 is a deficient number, since it is larger than the sum of its proper divisors (210146403).

472189329 is a wasteful number, since it uses less digits than its factorization.

472189329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21888 (or 21885 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 472189329 is about 21729.9178323343. The cubic root of 472189329 is about 778.7033733711.

The spelling of 472189329 in words is "four hundred seventy-two million, one hundred eighty-nine thousand, three hundred twenty-nine".

Divisors: 1 3 9 2741 8223 19141 24669 57423 172269 52465481 157396443 472189329