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753681361 is a prime number
BaseRepresentation
bin101100111011000…
…100001111010001
31221112011222110111
4230323010033101
53020420300421
6202442001321
724451120516
oct5473041721
91845158414
10753681361
11357484a64
121904a6241
13c01b6304
147214d30d
1546277ee1
hex2cec43d1

753681361 has 2 divisors, whose sum is σ = 753681362. Its totient is φ = 753681360.

The previous prime is 753681343. The next prime is 753681371. The reversal of 753681361 is 163186357.

It is a happy number.

753681361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387341761 + 366339600 = 19681^2 + 19140^2 .

It is a cyclic number.

It is not a de Polignac number, because 753681361 - 29 = 753680849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (753681371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 376840680 + 376840681.

It is an arithmetic number, because the mean of its divisors is an integer number (376840681).

Almost surely, 2753681361 is an apocalyptic number.

It is an amenable number.

753681361 is a deficient number, since it is larger than the sum of its proper divisors (1).

753681361 is an equidigital number, since it uses as much as digits as its factorization.

753681361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 753681361 is about 27453.2577483985. The cubic root of 753681361 is about 910.0444212104.

It can be divided in two parts, 75368 and 1361, that added together give a square (76729 = 2772).

The spelling of 753681361 in words is "seven hundred fifty-three million, six hundred eighty-one thousand, three hundred sixty-one".