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338868349 = 367923347
BaseRepresentation
bin10100001100101…
…011100001111101
3212121122021222121
4110030223201331
51143222241344
653343042541
711253222241
oct2414534175
9777567877
10338868349
11164311896
12955a0451
1355289521
1433010421
151eb3a684
hex1432b87d

338868349 has 4 divisors (see below), whose sum is σ = 339792064. Its totient is φ = 337944636.

The previous prime is 338868331. The next prime is 338868353. The reversal of 338868349 is 943868833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 338868349 - 25 = 338868317 is a prime.

It is a super-2 number, since 2×3388683492 = 229663515907971602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 338868296 and 338868305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338868389) 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, 461307 + ... + 462040.

It is an arithmetic number, because the mean of its divisors is an integer number (84948016).

Almost surely, 2338868349 is an apocalyptic number.

It is an amenable number.

338868349 is a deficient number, since it is larger than the sum of its proper divisors (923715).

338868349 is an equidigital number, since it uses as much as digits as its factorization.

338868349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923714.

The product of its digits is 2985984, while the sum is 52.

The square root of 338868349 is about 18408.3771419427. The cubic root of 338868349 is about 697.1779915902.

The spelling of 338868349 in words is "three hundred thirty-eight million, eight hundred sixty-eight thousand, three hundred forty-nine".

Divisors: 1 367 923347 338868349