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189824330 = 2518982433
BaseRepresentation
bin10110101000001…
…11110101001010
3111020012002000202
423110013311022
5342043334310
630500332202
74463323463
oct1324076512
9436162022
10189824330
1198172913
12536a4062
13304337b7
141b2d3d6a
15119e93a5
hexb507d4a

189824330 has 8 divisors (see below), whose sum is σ = 341683812. Its totient is φ = 75929728.

The previous prime is 189824287. The next prime is 189824339. The reversal of 189824330 is 33428981.

189824330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 187443481 + 2380849 = 13691^2 + 1543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (189824339) 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, 9491207 + ... + 9491226.

Almost surely, 2189824330 is an apocalyptic number.

189824330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189824330 is a deficient number, since it is larger than the sum of its proper divisors (151859482).

189824330 is a wasteful number, since it uses less digits than its factorization.

189824330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18982440.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 189824330 is about 13777.6750578608. The cubic root of 189824330 is about 574.7124762881.

The spelling of 189824330 in words is "one hundred eighty-nine million, eight hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 18982433 37964866 94912165 189824330