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6977380 = 2254167127
BaseRepresentation
bin11010100111011101100100
3111010111011111
4122213131210
53241234010
6405314404
7113210134
oct32473544
914114144
106977380
113a36233
122405a04
1315a3b37
14cd8ac4
1592c58a
hex6a7764

6977380 has 48 divisors (see below), whose sum is σ = 15353856. Its totient is φ = 2661120.

The previous prime is 6977329. The next prime is 6977381. The reversal of 6977380 is 837796.

6977380 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6977381) 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, 54877 + ... + 55003.

It is an arithmetic number, because the mean of its divisors is an integer number (319872).

Almost surely, 26977380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6977380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7676928).

6977380 is an abundant number, since it is smaller than the sum of its proper divisors (8376476).

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

6977380 is a wasteful number, since it uses less digits than its factorization.

6977380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 6977380 is about 2641.4730738737. The cubic root of 6977380 is about 191.0868459167.

The spelling of 6977380 in words is "six million, nine hundred seventy-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 41 67 82 127 134 164 205 254 268 335 410 508 635 670 820 1270 1340 2540 2747 5207 5494 8509 10414 10988 13735 17018 20828 26035 27470 34036 42545 52070 54940 85090 104140 170180 348869 697738 1395476 1744345 3488690 6977380