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6768240 = 243528201
BaseRepresentation
bin11001110100011001110000
3110201212021120
4121310121300
53213040430
6401022240
7111346323
oct31643160
913655246
106768240
113903096
122324980
13152c89b
14c827ba
158da610
hex674670

6768240 has 40 divisors (see below), whose sum is σ = 20982288. Its totient is φ = 1804800.

The previous prime is 6768221. The next prime is 6768257. The reversal of 6768240 is 428676.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13861 + ... + 14340.

Almost surely, 26768240 is an apocalyptic number.

6768240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6768240 is an abundant number, since it is smaller than the sum of its proper divisors (14214048).

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

6768240 is a wasteful number, since it uses less digits than its factorization.

6768240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28217 (or 28211 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 6768240 is about 2601.5841327929. The cubic root of 6768240 is about 189.1582337145.

The spelling of 6768240 in words is "six million, seven hundred sixty-eight thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 28201 56402 84603 112804 141005 169206 225608 282010 338412 423015 451216 564020 676824 846030 1128040 1353648 1692060 2256080 3384120 6768240