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755530945 = 51325794507
BaseRepresentation
bin101101000010000…
…111110011000001
31221122122221121121
4231002013303001
53021403442240
6202545352241
724502623061
oct5502076301
91848587547
10755530945
11358528644
12191038681
13c06b3140
14724b13a1
15464e104a
hex2d087cc1

755530945 has 16 divisors (see below), whose sum is σ = 976973760. Its totient is φ = 557590464.

The previous prime is 755530907. The next prime is 755530999. The reversal of 755530945 is 549035557.

It is a cyclic number.

It is not a de Polignac number, because 755530945 - 211 = 755528897 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165382 + ... + 169888.

It is an arithmetic number, because the mean of its divisors is an integer number (61060860).

Almost surely, 2755530945 is an apocalyptic number.

It is an amenable number.

755530945 is a deficient number, since it is larger than the sum of its proper divisors (221442815).

755530945 is a wasteful number, since it uses less digits than its factorization.

755530945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104.

The product of its (nonzero) digits is 472500, while the sum is 43.

The square root of 755530945 is about 27486.9231635700. The cubic root of 755530945 is about 910.7882495107.

The spelling of 755530945 in words is "seven hundred fifty-five million, five hundred thirty thousand, nine hundred forty-five".

Divisors: 1 5 13 65 2579 4507 12895 22535 33527 58591 167635 292955 11623553 58117765 151106189 755530945