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339900389 = 379186497
BaseRepresentation
bin10100010000100…
…111011111100101
3212200120201200022
4110100213133211
51144003303024
653421124525
711265051143
oct2420473745
9780521608
10339900389
11164957214
12959b9745
135555b1ba
14331dc593
151ec9135e
hex144277e5

339900389 has 4 divisors (see below), whose sum is σ = 349086924. Its totient is φ = 330713856.

The previous prime is 339900383. The next prime is 339900401. The reversal of 339900389 is 983009933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 983009933 = 3132731379.

It can be written as a sum of positive squares in 2 ways, for example, as 248850625 + 91049764 = 15775^2 + 9542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-339900389 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 (339900383) 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, 4593212 + ... + 4593285.

It is an arithmetic number, because the mean of its divisors is an integer number (87271731).

Almost surely, 2339900389 is an apocalyptic number.

It is an amenable number.

339900389 is a deficient number, since it is larger than the sum of its proper divisors (9186535).

339900389 is an equidigital number, since it uses as much as digits as its factorization.

339900389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9186534.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 339900389 is about 18436.3876342412. The cubic root of 339900389 is about 697.8850374288.

The spelling of 339900389 in words is "three hundred thirty-nine million, nine hundred thousand, three hundred eighty-nine".

Divisors: 1 37 9186497 339900389