Search a number
-
+
28053060 = 22357173929
BaseRepresentation
bin110101100000…
…0111001000100
31221210020120020
41223000321010
524140144220
62441135140
7460306230
oct153007104
957706506
1028053060
1114920752
12948a4b0
135a72a59
143a235c0
1526e2040
hex1ac0e44

28053060 has 96 divisors (see below), whose sum is σ = 95074560. Its totient is φ = 6033408.

The previous prime is 28053049. The next prime is 28053089. The reversal of 28053060 is 6035082.

It is a self number, because there is not a number n which added to its sum of digits gives 28053060.

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, 5176 + ... + 9104.

It is an arithmetic number, because the mean of its divisors is an integer number (990360).

Almost surely, 228053060 is an apocalyptic number.

28053060 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 28053060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47537280).

28053060 is an abundant number, since it is smaller than the sum of its proper divisors (67021500).

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

28053060 is a wasteful number, since it uses less digits than its factorization.

28053060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3963 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 28053060 is about 5296.5139478718. The cubic root of 28053060 is about 303.8505873576.

The spelling of 28053060 in words is "twenty-eight million, fifty-three thousand, sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 2380 3570 3929 7140 7858 11787 15716 19645 23574 27503 39290 47148 55006 58935 66793 78580 82509 110012 117870 133586 137515 165018 200379 235740 267172 275030 330036 333965 400758 412545 467551 550060 667930 801516 825090 935102 1001895 1335860 1402653 1650180 1870204 2003790 2337755 2805306 4007580 4675510 5610612 7013265 9351020 14026530 28053060