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64366897 = 713037057
BaseRepresentation
bin1111010110001…
…0100100110001
311111010011210011
43311202210301
5112434220042
610215334521
71411052410
oct365424461
9144104704
1064366897
1133373891
1219681441
131044882a
148797477
1559b6a17
hex3d62931

64366897 has 8 divisors (see below), whose sum is σ = 73629056. Its totient is φ = 55121472.

The previous prime is 64366891. The next prime is 64366919. The reversal of 64366897 is 79866346.

64366897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 64366897 - 215 = 64334129 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 64366897.

It is not an unprimeable number, because it can be changed into a prime (64366891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5593 + ... + 12649.

It is an arithmetic number, because the mean of its divisors is an integer number (9203632).

Almost surely, 264366897 is an apocalyptic number.

It is an amenable number.

64366897 is a deficient number, since it is larger than the sum of its proper divisors (9262159).

64366897 is a wasteful number, since it uses less digits than its factorization.

64366897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367.

The product of its digits is 1306368, while the sum is 49.

The square root of 64366897 is about 8022.8982917646. The cubic root of 64366897 is about 400.7629127353.

The spelling of 64366897 in words is "sixty-four million, three hundred sixty-six thousand, eight hundred ninety-seven".

Divisors: 1 7 1303 7057 9121 49399 9195271 64366897