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755197493 is a prime number
BaseRepresentation
bin101101000000110…
…110011000110101
31221122001000012112
4231000312120311
53021312304433
6202534300405
724500033651
oct5500663065
91848030175
10755197493
11358320066
12190ab7705
13c05c742b
1472425a61
1546477348
hex2d036635

755197493 has 2 divisors, whose sum is σ = 755197494. Its totient is φ = 755197492.

The previous prime is 755197481. The next prime is 755197501. The reversal of 755197493 is 394791557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450415729 + 304781764 = 21223^2 + 17458^2 .

It is a cyclic number.

It is not a de Polignac number, because 755197493 - 210 = 755196469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755197403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377598746 + 377598747.

It is an arithmetic number, because the mean of its divisors is an integer number (377598747).

Almost surely, 2755197493 is an apocalyptic number.

It is an amenable number.

755197493 is a deficient number, since it is larger than the sum of its proper divisors (1).

755197493 is an equidigital number, since it uses as much as digits as its factorization.

755197493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 50.

The square root of 755197493 is about 27480.8568461757. The cubic root of 755197493 is about 910.6542382982.

The spelling of 755197493 in words is "seven hundred fifty-five million, one hundred ninety-seven thousand, four hundred ninety-three".