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146800091 = 799719157
BaseRepresentation
bin10001011111111…
…11110111011011
3101020020012212102
420233333313123
5300040100331
622322234015
73431531414
oct1057776733
9336205772
10146800091
1175957099
12411b590b
132454b579
14156d480b
15cd4b4cb
hex8bffddb

146800091 has 8 divisors (see below), whose sum is σ = 150198720. Its totient is φ = 143440128.

The previous prime is 146800079. The next prime is 146800139. The reversal of 146800091 is 190008641.

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 146800091 - 210 = 146799067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146800391) 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, 1916 + ... + 17241.

It is an arithmetic number, because the mean of its divisors is an integer number (18774840).

Almost surely, 2146800091 is an apocalyptic number.

146800091 is a deficient number, since it is larger than the sum of its proper divisors (3398629).

146800091 is an equidigital number, since it uses as much as digits as its factorization.

146800091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19333.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 146800091 is about 12116.1087400205. The cubic root of 146800091 is about 527.5238607686.

The spelling of 146800091 in words is "one hundred forty-six million, eight hundred thousand, ninety-one".

Divisors: 1 79 97 7663 19157 1513403 1858229 146800091