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6980736 = 2737353
BaseRepresentation
bin11010101000010010000000
3111010122202210
4122220102000
53241340421
6405342120
7113223000
oct32502200
914118683
106980736
113a38804
122407940
1315a5519
14cda000
1592d576
hex6a8480

6980736 has 128 divisors (see below), whose sum is σ = 22032000. Its totient is φ = 1956864.

The previous prime is 6980731. The next prime is 6980737. The reversal of 6980736 is 6370896.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 6980694 and 6980703.

It is not an unprimeable number, because it can be changed into a prime (6980731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131686 + ... + 131738.

It is an arithmetic number, because the mean of its divisors is an integer number (172125).

Almost surely, 26980736 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 6980736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11016000).

6980736 is an abundant number, since it is smaller than the sum of its proper divisors (15051264).

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

6980736 is an equidigital number, since it uses as much as digits as its factorization.

6980736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6980736 is about 2642.1082491071. The cubic root of 6980736 is about 191.1174775036.

The spelling of 6980736 in words is "six million, nine hundred eighty thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 53 56 64 84 96 98 106 112 128 147 159 168 192 196 212 224 294 318 336 343 371 384 392 424 448 588 636 672 686 742 784 848 896 1029 1113 1176 1272 1344 1372 1484 1568 1696 2058 2226 2352 2544 2597 2688 2744 2968 3136 3392 4116 4452 4704 5088 5194 5488 5936 6272 6784 7791 8232 8904 9408 10176 10388 10976 11872 15582 16464 17808 18179 18816 20352 20776 21952 23744 31164 32928 35616 36358 41552 43904 47488 54537 62328 65856 71232 72716 83104 109074 124656 131712 142464 145432 166208 218148 249312 290864 332416 436296 498624 581728 872592 997248 1163456 1745184 2326912 3490368 6980736