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30087330 = 235713103107
BaseRepresentation
bin111001011000…
…1100010100010
32002121121001120
41302301202202
530200243310
62552513110
7513511110
oct162614242
962547046
1030087330
1115a90069
12a0ab796
136305970
143dd2ab0
152994b70
hex1cb18a2

30087330 has 128 divisors (see below), whose sum is σ = 90574848. Its totient is φ = 6227712.

The previous prime is 30087311. The next prime is 30087341. The reversal of 30087330 is 3378003.

It is a self number, because there is not a number n which added to its sum of digits gives 30087330.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 281137 + ... + 281243.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 230087330 is an apocalyptic number.

30087330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30087330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45287424).

30087330 is an abundant number, since it is smaller than the sum of its proper divisors (60487518).

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

30087330 is a wasteful number, since it uses less digits than its factorization.

30087330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30087330 is about 5485.1918836081. The cubic root of 30087330 is about 311.0244636346.

The spelling of 30087330 in words is "thirty million, eighty-seven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 103 105 107 130 182 195 206 210 214 273 309 321 390 455 515 535 546 618 642 721 749 910 1030 1070 1339 1365 1391 1442 1498 1545 1605 2163 2247 2678 2730 2782 3090 3210 3605 3745 4017 4173 4326 4494 6695 6955 7210 7490 8034 8346 9373 9737 10815 11021 11235 13390 13910 18746 19474 20085 20865 21630 22042 22470 28119 29211 33063 40170 41730 46865 48685 55105 56238 58422 66126 77147 93730 97370 110210 140595 143273 146055 154294 165315 231441 281190 286546 292110 330630 385735 429819 462882 716365 771470 859638 1002911 1157205 1432730 2005822 2149095 2314410 3008733 4298190 5014555 6017466 10029110 15043665 30087330