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28614060 = 22345171039
BaseRepresentation
bin110110100100…
…1110110101100
31222211202010000
41231021312230
524311122220
62501144300
7465133626
oct155116654
958752100
1028614060
1115174192
1296bb090
135c0b1c7
143b2bc16
1527a3390
hex1b49dac

28614060 has 120 divisors (see below), whose sum is σ = 95135040. Its totient is φ = 7174656.

The previous prime is 28614059. The next prime is 28614067. The reversal of 28614060 is 6041682.

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

It is not an unprimeable number, because it can be changed into a prime (28614067) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27021 + ... + 28059.

It is an arithmetic number, because the mean of its divisors is an integer number (792792).

Almost surely, 228614060 is an apocalyptic number.

28614060 is a gapful number since it is divisible by the number (20) 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 28614060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47567520).

28614060 is an abundant number, since it is smaller than the sum of its proper divisors (66520980).

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

28614060 is a wasteful number, since it uses less digits than its factorization.

28614060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28614060 is about 5349.2111567969. The cubic root of 28614060 is about 305.8626834869.

The spelling of 28614060 in words is "twenty-eight million, six hundred fourteen thousand, sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 81 85 90 102 108 135 153 162 170 180 204 255 270 306 324 340 405 459 510 540 612 765 810 918 1020 1039 1377 1530 1620 1836 2078 2295 2754 3060 3117 4156 4590 5195 5508 6234 6885 9180 9351 10390 12468 13770 15585 17663 18702 20780 27540 28053 31170 35326 37404 46755 52989 56106 62340 70652 84159 88315 93510 105978 112212 140265 158967 168318 176630 187020 211956 264945 280530 317934 336636 353260 420795 476901 529890 561060 635868 794835 841590 953802 1059780 1430703 1589670 1683180 1907604 2384505 2861406 3179340 4769010 5722812 7153515 9538020 14307030 28614060