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4578080 = 255133171
BaseRepresentation
bin10001011101101100100000
322121120221112
4101131230200
52132444310
6242042452
753625113
oct21355440
98546845
104578080
112647641
121649428
13c43a30
1487257a
15606705
hex45db20

4578080 has 96 divisors (see below), whose sum is σ = 12192768. Its totient is φ = 1612800.

The previous prime is 4578059. The next prime is 4578097. The reversal of 4578080 is 808754.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64445 + ... + 64515.

It is an arithmetic number, because the mean of its divisors is an integer number (127008).

Almost surely, 24578080 is an apocalyptic number.

4578080 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 4578080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6096384).

4578080 is an abundant number, since it is smaller than the sum of its proper divisors (7614688).

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

4578080 is a wasteful number, since it uses less digits than its factorization.

4578080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 4578080 is about 2139.6448303398. The cubic root of 4578080 is about 166.0457608393.

It can be divided in two parts, 45 and 78080, that added together give a 7-th power (78125 = 57).

The spelling of 4578080 in words is "four million, five hundred seventy-eight thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 65 71 80 104 124 130 142 155 160 208 248 260 284 310 355 403 416 496 520 568 620 710 806 923 992 1040 1136 1240 1420 1612 1846 2015 2080 2201 2272 2480 2840 3224 3692 4030 4402 4615 4960 5680 6448 7384 8060 8804 9230 11005 11360 12896 14768 16120 17608 18460 22010 28613 29536 32240 35216 36920 44020 57226 64480 70432 73840 88040 114452 143065 147680 176080 228904 286130 352160 457808 572260 915616 1144520 2289040 4578080