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338387413 = 71331119953
BaseRepresentation
bin10100001010110…
…110000111010101
3212120201212021011
4110022312013111
51143111344123
653324452221
711246150140
oct2412660725
9776655234
10338387413
11164013521
12953aa071
135514b650
1432d27057
151ea92e0d
hex142b61d5

338387413 has 16 divisors (see below), whose sum is σ = 429915136. Its totient is φ = 259096320.

The previous prime is 338387411. The next prime is 338387443. The reversal of 338387413 is 314783833.

It is a happy number.

It is not a de Polignac number, because 338387413 - 21 = 338387411 is a prime.

It is a super-2 number, since 2×3383874132 = 229012082553665138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338387411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57156 + ... + 62797.

It is an arithmetic number, because the mean of its divisors is an integer number (26869696).

Almost surely, 2338387413 is an apocalyptic number.

It is an amenable number.

338387413 is a deficient number, since it is larger than the sum of its proper divisors (91527723).

338387413 is a wasteful number, since it uses less digits than its factorization.

338387413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120004.

The product of its digits is 145152, while the sum is 40.

The square root of 338387413 is about 18395.3095380317. The cubic root of 338387413 is about 696.8480141386.

The spelling of 338387413 in words is "three hundred thirty-eight million, three hundred eighty-seven thousand, four hundred thirteen".

Divisors: 1 7 13 31 91 217 403 2821 119953 839671 1559389 3718543 10915723 26029801 48341059 338387413