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755441690 = 25611238429
BaseRepresentation
bin101101000001110…
…010000000011010
31221122111102011212
4231001302000122
53021343113230
6202543423122
724502101623
oct5501620032
91848442155
10755441690
11358477583
12190bb4aa2
13c0681623
147248aa4a
15464c4895
hex2d07201a

755441690 has 16 divisors (see below), whose sum is σ = 1382087880. Its totient is φ = 297222720.

The previous prime is 755441671. The next prime is 755441707. The reversal of 755441690 is 96144557.

It can be written as a sum of positive squares in 4 ways, for example, as 573650401 + 181791289 = 23951^2 + 13483^2 .

It is a super-2 number, since 2×7554416902 = 1141384293980112200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618605 + ... + 619824.

Almost surely, 2755441690 is an apocalyptic number.

755441690 is a deficient number, since it is larger than the sum of its proper divisors (626646190).

755441690 is a wasteful number, since it uses less digits than its factorization.

755441690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238497.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 755441690 is about 27485.2995253827. The cubic root of 755441690 is about 910.7523826336.

The spelling of 755441690 in words is "seven hundred fifty-five million, four hundred forty-one thousand, six hundred ninety".

Divisors: 1 2 5 10 61 122 305 610 1238429 2476858 6192145 12384290 75544169 151088338 377720845 755441690