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146104897 = 373948781
BaseRepresentation
bin10001011010101…
…10001001000001
3101011220220020111
420231112021001
5244400324042
622255311321
73422604541
oct1055261101
9334826214
10146104897
1175521854
1240b1b541
1324367003
1415593321
15cc60517
hex8b56241

146104897 has 4 divisors (see below), whose sum is σ = 150053716. Its totient is φ = 142156080.

The previous prime is 146104873. The next prime is 146104921. The reversal of 146104897 is 798401641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798401641 = 1942021139.

It is an interprime number because it is at equal distance from previous prime (146104873) and next prime (146104921).

It can be written as a sum of positive squares in 2 ways, for example, as 104837121 + 41267776 = 10239^2 + 6424^2 .

It is a cyclic number.

It is not a de Polignac number, because 146104897 - 211 = 146102849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146104807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1974354 + ... + 1974427.

It is an arithmetic number, because the mean of its divisors is an integer number (37513429).

Almost surely, 2146104897 is an apocalyptic number.

It is an amenable number.

146104897 is a deficient number, since it is larger than the sum of its proper divisors (3948819).

146104897 is an equidigital number, since it uses as much as digits as its factorization.

146104897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3948818.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 146104897 is about 12087.3858629565. The cubic root of 146104897 is about 526.6898198353.

The spelling of 146104897 in words is "one hundred forty-six million, one hundred four thousand, eight hundred ninety-seven".

Divisors: 1 37 3948781 146104897