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614742239 = 8314395147
BaseRepresentation
bin100100101001000…
…011100011011111
31120211202010211002
4210221003203133
52224333222424
6141000020515
721143136266
oct4451034337
91524663732
10614742239
11296007a41
12151a6173b
139a48ab07
145b9035dd
1538e80cae
hex24a438df

614742239 has 8 divisors (see below), whose sum is σ = 622702080. Its totient is φ = 606795736.

The previous prime is 614742217. The next prime is 614742301. The reversal of 614742239 is 932247416.

614742239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 614742239 - 28 = 614741983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (614745239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116864 + ... + 122010.

It is an arithmetic number, because the mean of its divisors is an integer number (77837760).

Almost surely, 2614742239 is an apocalyptic number.

614742239 is a deficient number, since it is larger than the sum of its proper divisors (7959841).

614742239 is a wasteful number, since it uses less digits than its factorization.

614742239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669.

The product of its digits is 72576, while the sum is 38.

The square root of 614742239 is about 24793.9960272643. The cubic root of 614742239 is about 850.2846746601.

The spelling of 614742239 in words is "six hundred fourteen million, seven hundred forty-two thousand, two hundred thirty-nine".

Divisors: 1 83 1439 5147 119437 427201 7406533 614742239