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146486717 = 1311268209
BaseRepresentation
bin10001011101100…
…11010110111101
3101012122021222222
420232303112331
5300000033332
622311415125
73426054656
oct1056632675
9335567888
10146486717
1175762703
12410844a5
132446ba40
141565252d
15ccd8712
hex8bb35bd

146486717 has 4 divisors (see below), whose sum is σ = 157754940. Its totient is φ = 135218496.

The previous prime is 146486707. The next prime is 146486729. The reversal of 146486717 is 717684641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 717684641 = 761943081.

It can be written as a sum of positive squares in 2 ways, for example, as 94848121 + 51638596 = 9739^2 + 7186^2 .

It is a cyclic number.

It is not a de Polignac number, because 146486717 - 216 = 146421181 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146486707) 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, 5634092 + ... + 5634117.

It is an arithmetic number, because the mean of its divisors is an integer number (39438735).

Almost surely, 2146486717 is an apocalyptic number.

It is an amenable number.

146486717 is a deficient number, since it is larger than the sum of its proper divisors (11268223).

146486717 is a wasteful number, since it uses less digits than its factorization.

146486717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268222.

The product of its digits is 225792, while the sum is 44.

The square root of 146486717 is about 12103.1697087994. The cubic root of 146486717 is about 527.1482251416.

The spelling of 146486717 in words is "one hundred forty-six million, four hundred eighty-six thousand, seven hundred seventeen".

Divisors: 1 13 11268209 146486717