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768300545 = 5732104933
BaseRepresentation
bin101101110010110…
…101011000000001
31222112200201012202
4231302311120001
53033141104140
6204123202545
725016306165
oct5562653001
91875621182
10768300545
1136475a631
12195376455
13c323450c
1474076ca5
15476b4915
hex2dcb5601

768300545 has 8 divisors (see below), whose sum is σ = 934590696. Its totient is φ = 606220416.

The previous prime is 768300541. The next prime is 768300563. The reversal of 768300545 is 545003867.

It can be written as a sum of positive squares in 4 ways, for example, as 9628609 + 758671936 = 3103^2 + 27544^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 768300545 - 22 = 768300541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 768300499 and 768300508.

It is not an unprimeable number, because it can be changed into a prime (768300541) 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, 1052102 + ... + 1052831.

It is an arithmetic number, because the mean of its divisors is an integer number (116823837).

Almost surely, 2768300545 is an apocalyptic number.

It is an amenable number.

768300545 is a deficient number, since it is larger than the sum of its proper divisors (166290151).

768300545 is a wasteful number, since it uses less digits than its factorization.

768300545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105011.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 768300545 is about 27718.2348824740. The cubic root of 768300545 is about 915.8908361516.

The spelling of 768300545 in words is "seven hundred sixty-eight million, three hundred thousand, five hundred forty-five".

Divisors: 1 5 73 365 2104933 10524665 153660109 768300545