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6974080 = 27517641
BaseRepresentation
bin11010100110101010000000
3111010022122021
4122212222000
53241132310
6405251224
7113164411
oct32465200
914108567
106974080
113a33803
122403b14
1315a2499
14cd7808
1592b5da
hex6a6a80

6974080 has 64 divisors (see below), whose sum is σ = 17680680. Its totient is φ = 2621440.

The previous prime is 6974057. The next prime is 6974081. The reversal of 6974080 is 804796.

It can be written as a sum of positive squares in 4 ways, for example, as 6927424 + 46656 = 2632^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (6974081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10560 + ... + 11200.

Almost surely, 26974080 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 6974080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8840340).

6974080 is an abundant number, since it is smaller than the sum of its proper divisors (10706600).

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

6974080 is a wasteful number, since it uses less digits than its factorization.

6974080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 6974080 is about 2640.8483485426. The cubic root of 6974080 is about 191.0567158855.

6974080 divided by its sum of digits (34) gives a triangular number (205120 = T640).

The spelling of 6974080 in words is "six million, nine hundred seventy-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 272 320 340 544 640 641 680 1088 1282 1360 2176 2564 2720 3205 5128 5440 6410 10256 10880 10897 12820 20512 21794 25640 41024 43588 51280 54485 82048 87176 102560 108970 174352 205120 217940 348704 410240 435880 697408 871760 1394816 1743520 3487040 6974080