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146705413 = 461318233
BaseRepresentation
bin10001011111010…
…00110000000101
3101020001101222211
420233220300011
5300024033123
622320223421
73430655401
oct1057506005
9336041884
10146705413
11758a1a48
124116ab71
132451744a
14156ac101
15cd2d40d
hex8be8c05

146705413 has 4 divisors (see below), whose sum is σ = 147024108. Its totient is φ = 146386720.

The previous prime is 146705401. The next prime is 146705467. The reversal of 146705413 is 314507641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314507641 = 744929663.

It can be written as a sum of positive squares in 2 ways, for example, as 41499364 + 105206049 = 6442^2 + 10257^2 .

It is a cyclic number.

It is not a de Polignac number, because 146705413 - 225 = 113150981 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146705473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158656 + ... + 159577.

It is an arithmetic number, because the mean of its divisors is an integer number (36756027).

Almost surely, 2146705413 is an apocalyptic number.

It is an amenable number.

146705413 is a deficient number, since it is larger than the sum of its proper divisors (318695).

146705413 is an equidigital number, since it uses as much as digits as its factorization.

146705413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318694.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 146705413 is about 12112.2009973415. The cubic root of 146705413 is about 527.4104284021.

The spelling of 146705413 in words is "one hundred forty-six million, seven hundred five thousand, four hundred thirteen".

Divisors: 1 461 318233 146705413