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464939249 = 1087427727
BaseRepresentation
bin11011101101100…
…110100011110001
31012101212100202012
4123231212203301
51423011023444
6114045132305
714343630005
oct3355464361
91171770665
10464939249
1121949a815
1210b85a095
137542a7a8
1445a6a705
152ac3eb9e
hex1bb668f1

464939249 has 4 divisors (see below), whose sum is σ = 465368064. Its totient is φ = 464510436.

The previous prime is 464939243. The next prime is 464939257. The reversal of 464939249 is 942939464.

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 a de Polignac number, because none of the positive numbers 2k-464939249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 464939197 and 464939206.

It is not an unprimeable number, because it can be changed into a prime (464939243) 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, 212777 + ... + 214950.

It is an arithmetic number, because the mean of its divisors is an integer number (116342016).

Almost surely, 2464939249 is an apocalyptic number.

It is an amenable number.

464939249 is a deficient number, since it is larger than the sum of its proper divisors (428815).

464939249 is a wasteful number, since it uses less digits than its factorization.

464939249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428814.

The product of its digits is 1679616, while the sum is 50.

The square root of 464939249 is about 21562.4499767536. The cubic root of 464939249 is about 774.6973491854.

The spelling of 464939249 in words is "four hundred sixty-four million, nine hundred thirty-nine thousand, two hundred forty-nine".

Divisors: 1 1087 427727 464939249