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146711081 = 1113337371
BaseRepresentation
bin10001011111010…
…10001000101001
3101020001200202202
420233222020221
5300024223311
622320305545
73431011046
oct1057521051
9336050682
10146711081
11758a6230
12411722b5
1324519bba
14156b01cd
15cd2ee3b
hex8bea229

146711081 has 4 divisors (see below), whose sum is σ = 160048464. Its totient is φ = 133373700.

The previous prime is 146711053. The next prime is 146711083. The reversal of 146711081 is 180117641.

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 not a de Polignac number, because 146711081 - 218 = 146448937 is a prime.

It is a super-3 number, since 3×1467110813 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146711083) 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 3 ways as a sum of consecutive naturals, for example, 6668675 + ... + 6668696.

It is an arithmetic number, because the mean of its divisors is an integer number (40012116).

Almost surely, 2146711081 is an apocalyptic number.

146711081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146711081 is a deficient number, since it is larger than the sum of its proper divisors (13337383).

146711081 is a wasteful number, since it uses less digits than its factorization.

146711081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13337382.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 146711081 is about 12112.4349740257. The cubic root of 146711081 is about 527.4172205255.

The spelling of 146711081 in words is "one hundred forty-six million, seven hundred eleven thousand, eighty-one".

Divisors: 1 11 13337371 146711081