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340115245 = 5271325073
BaseRepresentation
bin10100010001011…
…011111100101101
3212200222122101221
4110101123330231
51144032141440
653425503341
711266634431
oct2421337455
9780878357
10340115245
11164a93688
1295aa1b51
1355604c32
14332569c1
151ecd4d4a
hex1445bf2d

340115245 has 8 divisors (see below), whose sum is σ = 408305016. Its totient is φ = 271981056.

The previous prime is 340115239. The next prime is 340115263. The reversal of 340115245 is 542511043.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 110229001 + 229886244 = 10499^2 + 15162^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-340115245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 26101.

It is an arithmetic number, because the mean of its divisors is an integer number (51038127).

Almost surely, 2340115245 is an apocalyptic number.

It is an amenable number.

340115245 is a deficient number, since it is larger than the sum of its proper divisors (68189771).

340115245 is a wasteful number, since it uses less digits than its factorization.

340115245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27791.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 340115245 is about 18442.2136686462. The cubic root of 340115245 is about 698.0320542308.

Adding to 340115245 its reverse (542511043), we get a palindrome (882626288).

The spelling of 340115245 in words is "three hundred forty million, one hundred fifteen thousand, two hundred forty-five".

Divisors: 1 5 2713 13565 25073 125365 68023049 340115245