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4539080 = 2357132943
BaseRepresentation
bin10001010100001011001000
322112121110002
4101110023020
52130222310
6241142132
753403320
oct21241310
98477402
104539080
112620307
12162a948
13c2c060
14862280
155e9da5
hex4542c8

4539080 has 128 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 1354752.

The previous prime is 4539013. The next prime is 4539083. The reversal of 4539080 is 809354.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539083) 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, 105539 + ... + 105581.

It is an arithmetic number, because the mean of its divisors is an integer number (103950).

Almost surely, 24539080 is an apocalyptic number.

4539080 is a gapful number since it is divisible by the number (40) 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 4539080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6652800).

4539080 is an abundant number, since it is smaller than the sum of its proper divisors (8766520).

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

4539080 is a wasteful number, since it uses less digits than its factorization.

4539080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 4539080 is about 2130.5116756310. The cubic root of 4539080 is about 165.5729089774.

4539080 divided by its sum of digits (29) gives a triangular number (156520 = T559).

The spelling of 4539080 in words is "four million, five hundred thirty-nine thousand, eighty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 29 35 40 43 52 56 58 65 70 86 91 104 116 130 140 145 172 182 203 215 232 260 280 290 301 344 364 377 406 430 455 520 559 580 602 728 754 812 860 910 1015 1118 1160 1204 1247 1505 1508 1624 1720 1820 1885 2030 2236 2408 2494 2639 2795 3010 3016 3640 3770 3913 4060 4472 4988 5278 5590 6020 6235 7540 7826 8120 8729 9976 10556 11180 12040 12470 13195 15080 15652 16211 17458 19565 21112 22360 24940 26390 31304 32422 34916 39130 43645 49880 52780 64844 69832 78260 81055 87290 105560 113477 129688 156520 162110 174580 226954 324220 349160 453908 567385 648440 907816 1134770 2269540 4539080