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6680268 = 223273541
BaseRepresentation
bin11001011110111011001100
3110120101121100
4121132323030
53202232033
6355103100
7110532000
oct31367314
913511540
106680268
113852a91
1222a1a90
1314cb82a
14c5c700
158be513
hex65eecc

6680268 has 72 divisors (see below), whose sum is σ = 19728800. Its totient is φ = 1905120.

The previous prime is 6680249. The next prime is 6680273. The reversal of 6680268 is 8620866.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12078 + ... + 12618.

Almost surely, 26680268 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 6680268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9864400).

6680268 is an abundant number, since it is smaller than the sum of its proper divisors (13048532).

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

6680268 is a wasteful number, since it uses less digits than its factorization.

6680268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 553 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 6680268 is about 2584.6214423006. The cubic root of 6680268 is about 188.3351122777.

The spelling of 6680268 in words is "six million, six hundred eighty thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 343 441 541 588 686 882 1029 1082 1372 1623 1764 2058 2164 3087 3246 3787 4116 4869 6174 6492 7574 9738 11361 12348 15148 19476 22722 26509 34083 45444 53018 68166 79527 106036 136332 159054 185563 238581 318108 371126 477162 556689 742252 954324 1113378 1670067 2226756 3340134 6680268