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240262668 = 22326673963
BaseRepresentation
bin11100101001000…
…01111000001100
3121202002121102100
432110201320030
5443001401133
635501355100
75645125152
oct1624417014
9552077370
10240262668
11113692998
1268568a90
133aa13579
1423ca33d2
151615de13
hexe521e0c

240262668 has 18 divisors (see below), whose sum is σ = 607330724. Its totient is φ = 80087544.

The previous prime is 240262667. The next prime is 240262681. The reversal of 240262668 is 866262042.

240262668 is a `hidden beast` number, since 24 + 0 + 2 + 626 + 6 + 8 = 666.

240262668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2402626682 = 115452299268956448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6673963 = 240262668 / (2 + 4 + 0 + 2 + 6 + 2 + 6 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (240262661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3336946 + ... + 3337017.

Almost surely, 2240262668 is an apocalyptic number.

It is an amenable number.

240262668 is an abundant number, since it is smaller than the sum of its proper divisors (367068056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240262668 is a wasteful number, since it uses less digits than its factorization.

240262668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6673973 (or 6673968 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 240262668 is about 15500.4086397746. The cubic root of 240262668 is about 621.6731325730.

The spelling of 240262668 in words is "two hundred forty million, two hundred sixty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 6673963 13347926 20021889 26695852 40043778 60065667 80087556 120131334 240262668