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245338834 = 21341230149
BaseRepresentation
bin11101001111110…
…01001011010010
3122002122111121111
432213321023102
51000301320314
640202243534
76036226366
oct1647711322
9562574544
10245338834
1111653a774
126a1b65aa
133ba9cc10
14248252a6
1516812ec4
hexe9f92d2

245338834 has 16 divisors (see below), whose sum is σ = 405984600. Its totient is φ = 110471040.

The previous prime is 245338829. The next prime is 245338837. The reversal of 245338834 is 438833542.

It can be written as a sum of positive squares in 4 ways, for example, as 137241225 + 108097609 = 11715^2 + 10397^2 .

It is a super-2 number, since 2×2453388342 = 120382286936959112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245338837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114009 + ... + 116140.

Almost surely, 2245338834 is an apocalyptic number.

245338834 is a deficient number, since it is larger than the sum of its proper divisors (160645766).

245338834 is a wasteful number, since it uses less digits than its factorization.

245338834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230205.

The product of its digits is 276480, while the sum is 40.

The square root of 245338834 is about 15663.2957579176. The cubic root of 245338834 is about 626.0208035086.

The spelling of 245338834 in words is "two hundred forty-five million, three hundred thirty-eight thousand, eight hundred thirty-four".

Divisors: 1 2 13 26 41 82 533 1066 230149 460298 2991937 5983874 9436109 18872218 122669417 245338834