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28374060 = 223511133307
BaseRepresentation
bin110110000111…
…1010000101100
31222101112220010
41230033100230
524230432220
62452053220
7463114131
oct154172054
958345803
1028374060
111501a940
129604210
135b55bb0
143aa8588
1527571e0
hex1b0f42c

28374060 has 96 divisors (see below), whose sum is σ = 93364992. Its totient is φ = 6347520.

The previous prime is 28374053. The next prime is 28374061. The reversal of 28374060 is 6047382.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (28374061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6927 + ... + 10233.

It is an arithmetic number, because the mean of its divisors is an integer number (972552).

Almost surely, 228374060 is an apocalyptic number.

28374060 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 28374060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46682496).

28374060 is an abundant number, since it is smaller than the sum of its proper divisors (64990932).

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

28374060 is a wasteful number, since it uses less digits than its factorization.

28374060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 28374060 is about 5326.7307046630. The cubic root of 28374060 is about 305.0051419002.

The spelling of 28374060 in words is "twenty-eight million, three hundred seventy-four thousand, sixty".

Divisors: 1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 110 130 132 143 156 165 195 220 260 286 330 390 429 572 660 715 780 858 1430 1716 2145 2860 3307 4290 6614 8580 9921 13228 16535 19842 33070 36377 39684 42991 49605 66140 72754 85982 99210 109131 128973 145508 171964 181885 198420 214955 218262 257946 363770 429910 436524 472901 515892 545655 644865 727540 859820 945802 1091310 1289730 1418703 1891604 2182620 2364505 2579460 2837406 4729010 5674812 7093515 9458020 14187030 28374060