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3278070 = 23551971
BaseRepresentation
bin1100100000010011110110
320011112200000
430200103312
51314344240
6154132130
736602025
oct14402366
96145600
103278070
111939954
121121046
138aa0b3
146148bc
1544b430
hex3204f6

3278070 has 96 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 816480.

The previous prime is 3278063. The next prime is 3278071. The reversal of 3278070 is 708723.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278071) 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, 46135 + ... + 46205.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

Almost surely, 23278070 is an apocalyptic number.

3278070 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3278070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717440).

3278070 is an abundant number, since it is smaller than the sum of its proper divisors (6156810).

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

3278070 is a wasteful number, since it uses less digits than its factorization.

3278070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 3278070 is about 1810.5441171096. The cubic root of 3278070 is about 148.5500290572.

The spelling of 3278070 in words is "three million, two hundred seventy-eight thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 71 81 90 95 114 135 142 162 171 190 213 243 270 285 342 355 405 426 486 513 570 639 710 810 855 1026 1065 1215 1278 1349 1539 1710 1917 2130 2430 2565 2698 3078 3195 3834 4047 4617 5130 5751 6390 6745 7695 8094 9234 9585 11502 12141 13490 15390 17253 19170 20235 23085 24282 28755 34506 36423 40470 46170 57510 60705 72846 86265 109269 121410 172530 182115 218538 327807 364230 546345 655614 1092690 1639035 3278070