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30608886 = 23711219317
BaseRepresentation
bin111010011000…
…0110111110110
32010121002111110
41310300313312
530313441021
63012015450
7521112510
oct164606766
963532443
1030608886
1116306a00
12a301586
136459189
1440cabb0
152a49476
hex1d30df6

30608886 has 96 divisors (see below), whose sum is σ = 81204480. Its totient is φ = 7508160.

The previous prime is 30608869. The next prime is 30608899. The reversal of 30608886 is 68880603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96400 + ... + 96716.

It is an arithmetic number, because the mean of its divisors is an integer number (845880).

Almost surely, 230608886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30608886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40602240).

30608886 is an abundant number, since it is smaller than the sum of its proper divisors (50595594).

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

30608886 is a wasteful number, since it uses less digits than its factorization.

30608886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 30608886 is about 5532.5298010946. The cubic root of 30608886 is about 312.8113538983.

The spelling of 30608886 in words is "thirty million, six hundred eight thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 7 11 14 19 21 22 33 38 42 57 66 77 114 121 133 154 209 231 242 266 317 363 399 418 462 627 634 726 798 847 951 1254 1463 1694 1902 2219 2299 2541 2926 3487 4389 4438 4598 5082 6023 6657 6897 6974 8778 10461 12046 13314 13794 16093 18069 20922 24409 32186 36138 38357 42161 48279 48818 66253 73227 76714 84322 96558 115071 126483 132506 146454 198759 230142 252966 268499 397518 463771 536998 728783 805497 927542 1391313 1457566 1610994 2186349 2782626 4372698 5101481 10202962 15304443 30608886