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493150831 is a prime number
BaseRepresentation
bin11101011001001…
…110001001101111
31021100221122202121
4131121032021233
52002221311311
6120533533411
715135466345
oct3531161157
91240848677
10493150831
11233409578
121191a4267
137b227734
14496d1995
152d463b71
hex1d64e26f

493150831 has 2 divisors, whose sum is σ = 493150832. Its totient is φ = 493150830.

The previous prime is 493150799. The next prime is 493150873. The reversal of 493150831 is 138051394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493150831 - 25 = 493150799 is a prime.

It is a super-3 number, since 3×4931508313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493100831) 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 as a sum of consecutive naturals, namely, 246575415 + 246575416.

It is an arithmetic number, because the mean of its divisors is an integer number (246575416).

Almost surely, 2493150831 is an apocalyptic number.

493150831 is a deficient number, since it is larger than the sum of its proper divisors (1).

493150831 is an equidigital number, since it uses as much as digits as its factorization.

493150831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 493150831 is about 22206.9995947224. Note that the first 3 decimals coincide. The cubic root of 493150831 is about 790.0597246947.

The spelling of 493150831 in words is "four hundred ninety-three million, one hundred fifty thousand, eight hundred thirty-one".