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469540831 is a prime number
BaseRepresentation
bin11011111111001…
…001111111011111
31012201112010221011
4123333021333133
51430200301311
6114331520051
714431013464
oct3377117737
91181463834
10469540831
11221052a81
121112b9027
137637c116
144650766b
152b34d321
hex1bfc9fdf

469540831 has 2 divisors, whose sum is σ = 469540832. Its totient is φ = 469540830.

The previous prime is 469540789. The next prime is 469540861. The reversal of 469540831 is 138045964.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 469540831 - 219 = 469016543 is a prime.

It is a super-2 number, since 2×4695408312 = 440937183952341122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (469540861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234770415 + 234770416.

It is an arithmetic number, because the mean of its divisors is an integer number (234770416).

Almost surely, 2469540831 is an apocalyptic number.

469540831 is a deficient number, since it is larger than the sum of its proper divisors (1).

469540831 is an equidigital number, since it uses as much as digits as its factorization.

469540831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 469540831 is about 21668.8908576327. The cubic root of 469540831 is about 777.2447336311.

The spelling of 469540831 in words is "four hundred sixty-nine million, five hundred forty thousand, eight hundred thirty-one".