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1464344057 = 11212102017
BaseRepresentation
bin101011101001000…
…0001110111111001
310210001102101102002
41113102001313321
510444333002212
6401145550345
751200501441
oct12722016771
93701371362
101464344057
11691647400
1234a4a53b5
131a44b9a97
14dc6a1121
1588854ac2
hex57481df9

1464344057 has 6 divisors (see below), whose sum is σ = 1609568394. Its totient is φ = 1331221760.

The previous prime is 1464343997. The next prime is 1464344129. The reversal of 1464344057 is 7504434641.

It can be written as a sum of positive squares in only one way, i.e., 1353062656 + 111281401 = 36784^2 + 10549^2 .

It is not a de Polignac number, because 1464344057 - 220 = 1463295481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1464344057.

It is not an unprimeable number, because it can be changed into a prime (1464344957) 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 5 ways as a sum of consecutive naturals, for example, 6050888 + ... + 6051129.

It is an arithmetic number, because the mean of its divisors is an integer number (268261399).

Almost surely, 21464344057 is an apocalyptic number.

It is an amenable number.

1464344057 is a deficient number, since it is larger than the sum of its proper divisors (145224337).

1464344057 is a wasteful number, since it uses less digits than its factorization.

1464344057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12102039 (or 12102028 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 1464344057 is about 38266.7487121652. The cubic root of 1464344057 is about 1135.5712177084.

Adding to 1464344057 its reverse (7504434641), we get a palindrome (8968778698).

The spelling of 1464344057 in words is "one billion, four hundred sixty-four million, three hundred forty-four thousand, fifty-seven".

Divisors: 1 11 121 12102017 133122187 1464344057