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755396538 = 231324631609
BaseRepresentation
bin101101000001100…
…110111110111010
31221122102010020120
4231001212332322
53021340142123
6202542434110
724501523161
oct5501467672
91848363216
10755396538
11358446666
12190b92936
13c0666c00
14724783d8
15464b62e3
hex2d066fba

755396538 has 48 divisors (see below), whose sum is σ = 1640499840. Its totient is φ = 231783552.

The previous prime is 755396507. The next prime is 755396539. The reversal of 755396538 is 835693557.

It is not an unprimeable number, because it can be changed into a prime (755396539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 468678 + ... + 470286.

It is an arithmetic number, because the mean of its divisors is an integer number (34177080).

Almost surely, 2755396538 is an apocalyptic number.

755396538 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 755396538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820249920).

755396538 is an abundant number, since it is smaller than the sum of its proper divisors (885103302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

755396538 is a wasteful number, since it uses less digits than its factorization.

755396538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103 (or 2090 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 51.

The square root of 755396538 is about 27484.4781285729. The cubic root of 755396538 is about 910.7342373501.

The spelling of 755396538 in words is "seven hundred fifty-five million, three hundred ninety-six thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 169 338 463 507 926 1014 1389 1609 2778 3218 4827 6019 9654 12038 18057 20917 36114 41834 62751 78247 125502 156494 234741 271921 469482 543842 744967 815763 1489934 1631526 2234901 4469802 9684571 19369142 29053713 58107426 125899423 251798846 377698269 755396538