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6725268 = 2235111737
BaseRepresentation
bin11001101001111010010100
3110122200100000
4121221322110
53210202033
6400051300
7111110124
oct31517224
913580300
106725268
113883880
122303b30
131516164
14c70c84
158cca13
hex669e94

6725268 has 144 divisors (see below), whose sum is σ = 20913984. Its totient is φ = 1866240.

The previous prime is 6725261. The next prime is 6725273. The reversal of 6725268 is 8625276.

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

It is an Ulam number.

Its product of digits (40320) is a multiple of the sum of its prime divisors (70).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6725261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181746 + ... + 181782.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

Almost surely, 26725268 is an apocalyptic number.

6725268 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6725268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10456992).

6725268 is an abundant number, since it is smaller than the sum of its proper divisors (14188716).

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

6725268 is a wasteful number, since it uses less digits than its factorization.

6725268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 70 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 6725268 is about 2593.3121678656. The cubic root of 6725268 is about 188.7570574675.

The spelling of 6725268 in words is "six million, seven hundred twenty-five thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 11 12 17 18 22 27 33 34 36 37 44 51 54 66 68 74 81 99 102 108 111 132 148 153 162 187 198 204 222 243 297 306 324 333 374 396 407 444 459 486 561 594 612 629 666 748 814 891 918 972 999 1122 1188 1221 1258 1332 1377 1628 1683 1782 1836 1887 1998 2244 2442 2516 2673 2754 2997 3366 3564 3663 3774 3996 4131 4884 5049 5346 5508 5661 5994 6732 6919 7326 7548 8262 8991 10098 10692 10989 11322 11988 13838 14652 15147 16524 16983 17982 20196 20757 21978 22644 27676 30294 32967 33966 35964 41514 43956 45441 50949 60588 62271 65934 67932 83028 90882 98901 101898 124542 131868 152847 181764 186813 197802 203796 249084 305694 373626 395604 560439 611388 747252 1120878 1681317 2241756 3362634 6725268