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755066990 = 2579955781
BaseRepresentation
bin101101000000010…
…110100001101110
31221121210101012002
4231000112201232
53021244120430
6202531412302
724465651326
oct5500264156
91847711162
10755066990
11358241007
12190a54092
13c057cc02
14723d0286
154644d845
hex2d01686e

755066990 has 16 divisors (see below), whose sum is σ = 1376326080. Its totient is φ = 298203360.

The previous prime is 755066987. The next prime is 755067077. The reversal of 755066990 is 99660557.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 477101 + ... + 478680.

It is an arithmetic number, because the mean of its divisors is an integer number (86020380).

Almost surely, 2755066990 is an apocalyptic number.

755066990 is a deficient number, since it is larger than the sum of its proper divisors (621259090).

755066990 is a wasteful number, since it uses less digits than its factorization.

755066990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955867.

The product of its (nonzero) digits is 510300, while the sum is 47.

The square root of 755066990 is about 27478.4823088904. The cubic root of 755066990 is about 910.6017796334.

The spelling of 755066990 in words is "seven hundred fifty-five million, sixty-six thousand, nine hundred ninety".

Divisors: 1 2 5 10 79 158 395 790 955781 1911562 4778905 9557810 75506699 151013398 377533495 755066990