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469064993 = 3071527899
BaseRepresentation
bin11011111101010…
…101110100100001
31012200121222012112
4123331111310201
51430040034433
6114313405105
714423662265
oct3375256441
91180558175
10469064993
11220858521
12111109795
1376243667
14464220a5
152b2a7348
hex1bf55d21

469064993 has 4 divisors (see below), whose sum is σ = 470593200. Its totient is φ = 467536788.

The previous prime is 469064899. The next prime is 469065007. The reversal of 469064993 is 399460964.

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 469064993 - 214 = 469048609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (469064693) 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 in 3 ways as a sum of consecutive naturals, for example, 763643 + ... + 764256.

It is an arithmetic number, because the mean of its divisors is an integer number (117648300).

Almost surely, 2469064993 is an apocalyptic number.

It is an amenable number.

469064993 is a deficient number, since it is larger than the sum of its proper divisors (1528207).

469064993 is a wasteful number, since it uses less digits than its factorization.

469064993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528206.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 469064993 is about 21657.9083246744. The cubic root of 469064993 is about 776.9820886812.

The spelling of 469064993 in words is "four hundred sixty-nine million, sixty-four thousand, nine hundred ninety-three".

Divisors: 1 307 1527899 469064993