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6671028 = 22371341149
BaseRepresentation
bin11001011100101010110100
3110112220221010
4121130222310
53201433103
6354552220
7110463030
oct31345264
913486833
106671028
113847051
122298670
1314c7570
14c591c0
158bb903
hex65cab4

6671028 has 96 divisors (see below), whose sum is σ = 19756800. Its totient is φ = 1704960.

The previous prime is 6671017. The next prime is 6671047. The reversal of 6671028 is 8201766.

It is a happy number.

It is a super-2 number, since 2×66710282 = 89005229153568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6670986 and 6671004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44698 + ... + 44846.

It is an arithmetic number, because the mean of its divisors is an integer number (205800).

Almost surely, 26671028 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 6671028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9878400).

6671028 is an abundant number, since it is smaller than the sum of its proper divisors (13085772).

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

6671028 is a wasteful number, since it uses less digits than its factorization.

6671028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 6671028 is about 2582.8333279559. The cubic root of 6671028 is about 188.2482385476.

The spelling of 6671028 in words is "six million, six hundred seventy-one thousand, twenty-eight".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 41 42 52 78 82 84 91 123 149 156 164 182 246 273 287 298 364 447 492 533 546 574 596 861 894 1043 1066 1092 1148 1599 1722 1788 1937 2086 2132 3129 3198 3444 3731 3874 4172 5811 6109 6258 6396 7462 7748 11193 11622 12218 12516 13559 14924 18327 22386 23244 24436 27118 36654 40677 42763 44772 54236 73308 79417 81354 85526 128289 158834 162708 171052 238251 256578 317668 476502 513156 555919 953004 1111838 1667757 2223676 3335514 6671028