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1464669845 = 5625746817
BaseRepresentation
bin101011101001101…
…0001011010010101
310210002000221022022
41113103101122111
510444423413340
6401200542525
751203326322
oct12723213225
93702027268
101464669845
1169184a151
1234a621a45
131a45a2162
14dc747b49
15888bb3b5
hex574d1695

1464669845 has 8 divisors (see below), whose sum is σ = 1757922264. Its totient is φ = 1171523584.

The previous prime is 1464669823. The next prime is 1464669847. The reversal of 1464669845 is 5489664641.

It can be written as a sum of positive squares in 4 ways, for example, as 746054596 + 718615249 = 27314^2 + 26807^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1464669845 - 226 = 1397560981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464669847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7877 + ... + 54693.

It is an arithmetic number, because the mean of its divisors is an integer number (219740283).

Almost surely, 21464669845 is an apocalyptic number.

It is an amenable number.

1464669845 is a deficient number, since it is larger than the sum of its proper divisors (293252419).

1464669845 is an equidigital number, since it uses as much as digits as its factorization.

1464669845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53079.

The product of its digits is 4976640, while the sum is 53.

The square root of 1464669845 is about 38271.0052781476. The cubic root of 1464669845 is about 1135.6554256151.

The spelling of 1464669845 in words is "one billion, four hundred sixty-four million, six hundred sixty-nine thousand, eight hundred forty-five".

Divisors: 1 5 6257 31285 46817 234085 292933969 1464669845