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30058080 = 2535134817
BaseRepresentation
bin111001010101…
…0011001100000
32002120002221020
41302222121200
530143324310
62552125440
7513326613
oct162523140
962502836
1030058080
1115a70098
12a096880
1362c5560
143dc617a
15298b170
hex1caa660

30058080 has 96 divisors (see below), whose sum is σ = 101987424. Its totient is φ = 7397376.

The previous prime is 30058073. The next prime is 30058087. The reversal of 30058080 is 8085003.

It is an interprime number because it is at equal distance from previous prime (30058073) and next prime (30058087).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 30058080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30058087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3832 + ... + 8648.

It is an arithmetic number, because the mean of its divisors is an integer number (1062369).

Almost surely, 230058080 is an apocalyptic number.

30058080 is a gapful number since it is divisible by the number (30) 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 30058080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50993712).

30058080 is an abundant number, since it is smaller than the sum of its proper divisors (71929344).

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

30058080 is a wasteful number, since it uses less digits than its factorization.

30058080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4848 (or 4840 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 30058080 is about 5482.5249657434. The cubic root of 30058080 is about 310.9236414032.

The spelling of 30058080 in words is "thirty million, fifty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2080 3120 4817 6240 9634 14451 19268 24085 28902 38536 48170 57804 62621 72255 77072 96340 115608 125242 144510 154144 187863 192680 231216 250484 289020 313105 375726 385360 462432 500968 578040 626210 751452 770720 939315 1001936 1156080 1252420 1502904 1878630 2003872 2312160 2504840 3005808 3757260 5009680 6011616 7514520 10019360 15029040 30058080