Search a number
-
+
6900768 = 253372163
BaseRepresentation
bin11010010100110000100000
3110222121002000
4122110300200
53231311033
6403524000
7112440600
oct32246040
913877060
106900768
113993716
122389600
131577cc4
14cb8c00
15914a13
hex694c20

6900768 has 144 divisors (see below), whose sum is σ = 23556960. Its totient is φ = 1959552.

The previous prime is 6900767. The next prime is 6900787. The reversal of 6900768 is 8670096.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6900767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42255 + ... + 42417.

It is an arithmetic number, because the mean of its divisors is an integer number (163590).

Almost surely, 26900768 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 6900768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11778480).

6900768 is an abundant number, since it is smaller than the sum of its proper divisors (16656192).

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

6900768 is a wasteful number, since it uses less digits than its factorization.

6900768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 6900768 is about 2626.9312895468. The cubic root of 6900768 is about 190.3848892275.

The spelling of 6900768 in words is "six million, nine hundred thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 84 96 98 108 112 126 144 147 163 168 189 196 216 224 252 288 294 326 336 378 392 432 441 489 504 588 652 672 756 784 864 882 978 1008 1141 1176 1304 1323 1467 1512 1568 1764 1956 2016 2282 2352 2608 2646 2934 3024 3423 3528 3912 4401 4564 4704 5216 5292 5868 6048 6846 7056 7824 7987 8802 9128 10269 10584 11736 13692 14112 15648 15974 17604 18256 20538 21168 23472 23961 27384 30807 31948 35208 36512 41076 42336 46944 47922 54768 61614 63896 70416 71883 82152 95844 109536 123228 127792 140832 143766 164304 191688 215649 246456 255584 287532 328608 383376 431298 492912 575064 766752 862596 985824 1150128 1725192 2300256 3450384 6900768