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146841081 = 348947027
BaseRepresentation
bin10001100000010…
…01110111111001
3101020022022002120
420300021313321
5300042403311
622323151453
73432062052
oct1060116771
9336268076
10146841081
1175984972
1241215589
132456411a
1415705729
15cd58706
hex8c09df9

146841081 has 4 divisors (see below), whose sum is σ = 195788112. Its totient is φ = 97894052.

The previous prime is 146841077. The next prime is 146841089. The reversal of 146841081 is 180148641.

146841081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 180148641 = 360049547.

It is a cyclic number.

It is not a de Polignac number, because 146841081 - 22 = 146841077 is a prime.

It is a super-2 number, since 2×1468410812 = 43124606138497122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146841089) 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, 24473511 + ... + 24473516.

It is an arithmetic number, because the mean of its divisors is an integer number (48947028).

Almost surely, 2146841081 is an apocalyptic number.

It is an amenable number.

146841081 is a deficient number, since it is larger than the sum of its proper divisors (48947031).

146841081 is an equidigital number, since it uses as much as digits as its factorization.

146841081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48947030.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 146841081 is about 12117.8001716483. The cubic root of 146841081 is about 527.5729551769.

The spelling of 146841081 in words is "one hundred forty-six million, eight hundred forty-one thousand, eighty-one".

Divisors: 1 3 48947027 146841081