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240866081 = 1752327091
BaseRepresentation
bin11100101101101…
…01001100100001
3121210020021010222
432112311030201
5443130203311
635522332425
75653220321
oct1626651441
9553207128
10240866081
11113a65285
12687ba115
133ab95111
1423dbd281
151622cadb
hexe5b5321

240866081 has 8 divisors (see below), whose sum is σ = 255531744. Its totient is φ = 226255680.

The previous prime is 240866071. The next prime is 240866107. The reversal of 240866081 is 180668042.

240866081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-240866081 is a prime.

It is a super-2 number, since 2×2408660812 = 116032937952597122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240866071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (31941468).

Almost surely, 2240866081 is an apocalyptic number.

It is an amenable number.

240866081 is a deficient number, since it is larger than the sum of its proper divisors (14665663).

240866081 is a wasteful number, since it uses less digits than its factorization.

240866081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27631.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 240866081 is about 15519.8608563350. The cubic root of 240866081 is about 622.1931357447.

The spelling of 240866081 in words is "two hundred forty million, eight hundred sixty-six thousand, eighty-one".

Divisors: 1 17 523 8891 27091 460547 14168593 240866081