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755005533 = 3251668511
BaseRepresentation
bin101101000000000…
…111100001011101
31221121200020212220
4231000013201131
53021240134113
6202530215553
724465304212
oct5500074135
91847606786
10755005533
113581a9917
12190a245b9
13c055ac49
14723b5b09
154643a523
hex2d00785d

755005533 has 4 divisors (see below), whose sum is σ = 1006674048. Its totient is φ = 503337020.

The previous prime is 755005507. The next prime is 755005549. The reversal of 755005533 is 335500557.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 755005533 - 25 = 755005501 is a prime.

It is a super-2 number, since 2×7550055332 = 1140066709721228178, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 755005494 and 755005503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755005583) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 125834253 + ... + 125834258.

It is an arithmetic number, because the mean of its divisors is an integer number (251668512).

Almost surely, 2755005533 is an apocalyptic number.

It is an amenable number.

755005533 is a deficient number, since it is larger than the sum of its proper divisors (251668515).

755005533 is a wasteful number, since it uses less digits than its factorization.

755005533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251668514.

The product of its (nonzero) digits is 39375, while the sum is 33.

The square root of 755005533 is about 27477.3640111274. The cubic root of 755005533 is about 910.5770734936.

The spelling of 755005533 in words is "seven hundred fifty-five million, five thousand, five hundred thirty-three".

Divisors: 1 3 251668511 755005533