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755063421 = 37415411621
BaseRepresentation
bin101101000000010…
…101101001111101
31221121210012021220
4231000111221331
53021244012141
6202531343553
724465635040
oct5500255175
91847705256
10755063421
11358239362
12190a51bb9
13c057b3b8
14723ccc57
154644c766
hex2d015a7d

755063421 has 32 divisors (see below), whose sum is σ = 1181542656. Its totient is φ = 419904000.

The previous prime is 755063377. The next prime is 755063437. The reversal of 755063421 is 124360557.

755063421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 755063421 - 210 = 755062397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755063461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464991 + ... + 466611.

It is an arithmetic number, because the mean of its divisors is an integer number (36923208).

Almost surely, 2755063421 is an apocalyptic number.

It is an amenable number.

755063421 is a deficient number, since it is larger than the sum of its proper divisors (426479235).

755063421 is a wasteful number, since it uses less digits than its factorization.

755063421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 755063421 is about 27478.4173670901. The cubic root of 755063421 is about 910.6003449074.

The spelling of 755063421 in words is "seven hundred fifty-five million, sixty-three thousand, four hundred twenty-one".

Divisors: 1 3 7 21 41 123 287 541 861 1621 1623 3787 4863 11347 11361 22181 34041 66461 66543 155267 199383 465227 465801 876961 1395681 2630883 6138727 18416181 35955401 107866203 251687807 755063421