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389609398 = 2421462719
BaseRepresentation
bin10111001110001…
…111011110110110
31000011010012121201
4113032033132312
51244220000043
6102354403114
712440424313
oct2716173666
91004105551
10389609398
1118aa19342
12aa59049a
1362944009
1439a5bd0a
152430ec4d
hex1738f7b6

389609398 has 8 divisors (see below), whose sum is σ = 585803520. Its totient is φ = 194341560.

The previous prime is 389609393. The next prime is 389609411. The reversal of 389609398 is 893906983.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389609393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230518 + ... + 232201.

It is an arithmetic number, because the mean of its divisors is an integer number (73225440).

Almost surely, 2389609398 is an apocalyptic number.

389609398 is a deficient number, since it is larger than the sum of its proper divisors (196194122).

389609398 is a wasteful number, since it uses less digits than its factorization.

389609398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463142.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The square root of 389609398 is about 19738.5257301552. The cubic root of 389609398 is about 730.3703618887.

The spelling of 389609398 in words is "three hundred eighty-nine million, six hundred nine thousand, three hundred ninety-eight".

Divisors: 1 2 421 842 462719 925438 194804699 389609398