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338195045 = 567639009
BaseRepresentation
bin10100001010000…
…111001001100101
3212120101002101102
4110022013021211
51143034220140
653320405445
711244416246
oct2412071145
9776332342
10338195045
111639a1a41
1295316885
13550b1c16
1432cb6ccd
151ea55e15
hex14287265

338195045 has 4 divisors (see below), whose sum is σ = 405834060. Its totient is φ = 270556032.

The previous prime is 338195017. The next prime is 338195051. The reversal of 338195045 is 540591833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540591833 = 1739331081.

It can be written as a sum of positive squares in 2 ways, for example, as 86750596 + 251444449 = 9314^2 + 15857^2 .

It is a cyclic number.

It is not a de Polignac number, because 338195045 - 214 = 338178661 is a prime.

It is a super-2 number, since 2×3381950452 = 228751776925104050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33819500 + ... + 33819509.

It is an arithmetic number, because the mean of its divisors is an integer number (101458515).

Almost surely, 2338195045 is an apocalyptic number.

It is an amenable number.

338195045 is a deficient number, since it is larger than the sum of its proper divisors (67639015).

338195045 is an equidigital number, since it uses as much as digits as its factorization.

338195045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67639014.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 338195045 is about 18390.0800705163. The cubic root of 338195045 is about 696.7159400093.

The spelling of 338195045 in words is "three hundred thirty-eight million, one hundred ninety-five thousand, forty-five".

Divisors: 1 5 67639009 338195045