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6774420 = 2235234909
BaseRepresentation
bin11001110101111010010100
3110202011202110
4121311322110
53213240140
6401111020
7111403332
oct31657224
913664673
106774420
1139077a4
122328470
131532643
14c84b52
158dc380
hex675e94

6774420 has 48 divisors (see below), whose sum is σ = 19797120. Its totient is φ = 1727616.

The previous prime is 6774409. The next prime is 6774421. The reversal of 6774420 is 244776.

6774420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6774421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075 + ... + 3834.

It is an arithmetic number, because the mean of its divisors is an integer number (412440).

Almost surely, 26774420 is an apocalyptic number.

6774420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6774420 is an abundant number, since it is smaller than the sum of its proper divisors (13022700).

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

6774420 is a wasteful number, since it uses less digits than its factorization.

6774420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4944 (or 4942 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 6774420 is about 2602.7715996606. The cubic root of 6774420 is about 189.2157889167.

The spelling of 6774420 in words is "six million, seven hundred seventy-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 4909 9818 14727 19636 24545 29454 49090 58908 73635 98180 112907 147270 225814 294540 338721 451628 564535 677442 1129070 1354884 1693605 2258140 3387210 6774420