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765697045 = 51301117709
BaseRepresentation
bin101101101000111…
…001110000010101
31222100210102212211
4231220321300111
53032004301140
6203551313421
724655213621
oct5550716025
91870712784
10765697045
11363241583
1219451b871
13c2832499
147399a181
154734d2ea
hex2da39c15

765697045 has 8 divisors (see below), whose sum is σ = 919550520. Its totient is φ = 612081600.

The previous prime is 765697043. The next prime is 765697057. The reversal of 765697045 is 540796567.

765697045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7851204 + 757845841 = 2802^2 + 27529^2 .

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

It is not a de Polignac number, because 765697045 - 21 = 765697043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 765697045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765697043) 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, 52350 + ... + 65359.

It is an arithmetic number, because the mean of its divisors is an integer number (114943815).

Almost surely, 2765697045 is an apocalyptic number.

It is an amenable number.

765697045 is a deficient number, since it is larger than the sum of its proper divisors (153853475).

765697045 is a wasteful number, since it uses less digits than its factorization.

765697045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119015.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The square root of 765697045 is about 27671.2313603858. The cubic root of 765697045 is about 914.8551215369.

The spelling of 765697045 in words is "seven hundred sixty-five million, six hundred ninety-seven thousand, forty-five".

Divisors: 1 5 1301 6505 117709 588545 153139409 765697045