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30118000 = 245311372
BaseRepresentation
bin111001011100…
…1000001110000
32002200011010111
41302321001300
530202234000
62553311104
7513666403
oct162710160
962604114
1030118000
1116001110
12a105494
136316903
143dddd3a
15299dcba
hex1cb9070

30118000 has 120 divisors (see below), whose sum is σ = 81651024. Its totient is φ = 10656000.

The previous prime is 30117977. The next prime is 30118009. The reversal of 30118000 is 81103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30118009) 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 23 ways as a sum of consecutive naturals, for example, 813982 + ... + 814018.

Almost surely, 230118000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30118000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40825512).

30118000 is an abundant number, since it is smaller than the sum of its proper divisors (51533024).

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

30118000 is a wasteful number, since it uses less digits than its factorization.

30118000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 30118000 is about 5487.9868804508. The cubic root of 30118000 is about 311.1301103288.

Adding to 30118000 its reverse (81103), we get a palindrome (30199103).

It can be divided in two parts, 3011 and 8000, that added together give a palindrome (11011).

The spelling of 30118000 in words is "thirty million, one hundred eighteen thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 37 40 44 50 55 74 80 88 100 110 125 148 176 185 200 220 250 275 296 370 400 407 440 500 550 592 740 814 880 925 1000 1100 1369 1375 1480 1628 1850 2000 2035 2200 2738 2750 2960 3256 3700 4070 4400 4625 5476 5500 6512 6845 7400 8140 9250 10175 10952 11000 13690 14800 15059 16280 18500 20350 21904 22000 27380 30118 32560 34225 37000 40700 50875 54760 60236 68450 74000 75295 81400 101750 109520 120472 136900 150590 162800 171125 203500 240944 273800 301180 342250 376475 407000 547600 602360 684500 752950 814000 1204720 1369000 1505900 1882375 2738000 3011800 3764750 6023600 7529500 15059000 30118000