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241311681 = 32132062493
BaseRepresentation
bin11100110001000…
…01111111000001
3121211001220101200
432120201333001
5443233433211
635540051413
75660054412
oct1630417701
9554056350
10241311681
1111423a046
1268993b69
133acbcba0
1424097809
15162b9b56
hexe621fc1

241311681 has 12 divisors (see below), whose sum is σ = 375373908. Its totient is φ = 148499424.

The previous prime is 241311671. The next prime is 241311683. The reversal of 241311681 is 186113142.

241311681 = 30342 + 30352 + ... + 30592.

It is a happy number.

241311681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9511056 + 231800625 = 3084^2 + 15225^2 .

It is not a de Polignac number, because 241311681 - 25 = 241311649 is a prime.

It is a super-2 number, since 2×2413116812 = 116462654774091522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (241311683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1031130 + ... + 1031363.

It is an arithmetic number, because the mean of its divisors is an integer number (31281159).

Almost surely, 2241311681 is an apocalyptic number.

It is an amenable number.

241311681 is a deficient number, since it is larger than the sum of its proper divisors (134062227).

241311681 is a wasteful number, since it uses less digits than its factorization.

241311681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062512 (or 2062509 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 241311681 is about 15534.2100217552. The cubic root of 241311681 is about 622.5765832135.

The spelling of 241311681 in words is "two hundred forty-one million, three hundred eleven thousand, six hundred eighty-one".

Divisors: 1 3 9 13 39 117 2062493 6187479 18562437 26812409 80437227 241311681