Search a number
-
+
338380019 = 1719904707
BaseRepresentation
bin10100001010110…
…100010011110011
3212120201111010022
4110022310103303
51143111130034
653324354055
711246116445
oct2412642363
9776644108
10338380019
11164008a0a
12953a592b
1355148183
1432d24495
151ea90b2e
hex142b44f3

338380019 has 4 divisors (see below), whose sum is σ = 358284744. Its totient is φ = 318475296.

The previous prime is 338380001. The next prime is 338380051. The reversal of 338380019 is 910083833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910083833 = 3129357543.

It is a cyclic number.

It is not a de Polignac number, because 338380019 - 212 = 338375923 is a prime.

It is a super-2 number, since 2×3383800192 = 229002074516880722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338380069) 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, 9952337 + ... + 9952370.

It is an arithmetic number, because the mean of its divisors is an integer number (89571186).

Almost surely, 2338380019 is an apocalyptic number.

338380019 is a deficient number, since it is larger than the sum of its proper divisors (19904725).

338380019 is a wasteful number, since it uses less digits than its factorization.

338380019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19904724.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 338380019 is about 18395.1085617889. The cubic root of 338380019 is about 696.8429385640.

The spelling of 338380019 in words is "three hundred thirty-eight million, three hundred eighty thousand, nineteen".

Divisors: 1 17 19904707 338380019