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339889213 = 1182128753
BaseRepresentation
bin10100010000100…
…100110000111101
3212200120011100101
4110100210300331
51144002423323
653421001101
711265003436
oct2420446075
9780504311
10339889213
11164949884
12959b3191
13555560a1
14331d848d
151ec8cdad
hex14424c3d

339889213 has 4 divisors (see below), whose sum is σ = 339929788. Its totient is φ = 339848640.

The previous prime is 339889189. The next prime is 339889223. The reversal of 339889213 is 312988933.

It is the 7527-th star number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 188156089 + 151733124 = 13717^2 + 12318^2 .

It is a cyclic number.

It is not a de Polignac number, because 339889213 - 25 = 339889181 is a prime.

It is a super-2 number, since 2×3398892132 = 231049354227518738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (339889223) 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, 2556 + ... + 26197.

It is an arithmetic number, because the mean of its divisors is an integer number (84982447).

Almost surely, 2339889213 is an apocalyptic number.

It is an amenable number.

339889213 is a deficient number, since it is larger than the sum of its proper divisors (40575).

339889213 is a wasteful number, since it uses less digits than its factorization.

339889213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40574.

The product of its digits is 279936, while the sum is 46.

The square root of 339889213 is about 18436.0845354972. The cubic root of 339889213 is about 697.8773884735.

The spelling of 339889213 in words is "three hundred thirty-nine million, eight hundred eighty-nine thousand, two hundred thirteen".

Divisors: 1 11821 28753 339889213