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241161261 = 31159123863
BaseRepresentation
bin11100101111111…
…01010000101101
3121210210021001120
432113331100231
5443214130021
635532531153
75655560025
oct1627752055
9553707046
10241161261
11114147030
1268920ab9
133ac69593
1424058a85
151628a2c6
hexe5fd42d

241161261 has 16 divisors (see below), whose sum is σ = 356728320. Its totient is φ = 143679920.

The previous prime is 241161257. The next prime is 241161299. The reversal of 241161261 is 162161142.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 241161261 - 22 = 241161257 is a prime.

It is a super-2 number, since 2×2411612612 = 116317507614220242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241161241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59985 + ... + 63878.

It is an arithmetic number, because the mean of its divisors is an integer number (22295520).

Almost surely, 2241161261 is an apocalyptic number.

It is an amenable number.

241161261 is a deficient number, since it is larger than the sum of its proper divisors (115567059).

241161261 is a wasteful number, since it uses less digits than its factorization.

241161261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123936.

The product of its digits is 576, while the sum is 24.

The square root of 241161261 is about 15529.3676947904. The cubic root of 241161261 is about 622.4471966953.

The spelling of 241161261 in words is "two hundred forty-one million, one hundred sixty-one thousand, two hundred sixty-one".

Divisors: 1 3 11 33 59 177 649 1947 123863 371589 1362493 4087479 7307917 21923751 80387087 241161261