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30194400 = 2535223547
BaseRepresentation
bin111001100101…
…1101011100000
32002211000221010
41303023223200
530212210100
62555100520
7514435215
oct163135340
962730833
1030194400
1116053555
12a141740
136342612
14401db0c
1529b6750
hex1ccbae0

30194400 has 144 divisors (see below), whose sum is σ = 102743424. Its totient is φ = 7687680.

The previous prime is 30194399. The next prime is 30194429. The reversal of 30194400 is 449103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54927 + ... + 55473.

It is an arithmetic number, because the mean of its divisors is an integer number (713496).

Almost surely, 230194400 is an apocalyptic number.

30194400 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 30194400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51371712).

30194400 is an abundant number, since it is smaller than the sum of its proper divisors (72549024).

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

30194400 is a wasteful number, since it uses less digits than its factorization.

30194400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 30194400 is about 5494.9431298240. The cubic root of 30194400 is about 311.3929683028.

It can be divided in two parts, 30 and 194400, that multiplied together give a cube (5832000 = 1803).

The spelling of 30194400 in words is "thirty million, one hundred ninety-four thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 23 24 25 30 32 40 46 48 50 60 69 75 80 92 96 100 115 120 138 150 160 184 200 230 240 276 300 345 368 400 460 480 547 552 575 600 690 736 800 920 1094 1104 1150 1200 1380 1641 1725 1840 2188 2208 2300 2400 2735 2760 3282 3450 3680 4376 4600 5470 5520 6564 6900 8205 8752 9200 10940 11040 12581 13128 13675 13800 16410 17504 18400 21880 25162 26256 27350 27600 32820 37743 41025 43760 50324 52512 54700 55200 62905 65640 75486 82050 87520 100648 109400 125810 131280 150972 164100 188715 201296 218800 251620 262560 301944 314525 328200 377430 402592 437600 503240 603888 629050 656400 754860 943575 1006480 1207776 1258100 1312800 1509720 1887150 2012960 2516200 3019440 3774300 5032400 6038880 7548600 10064800 15097200 30194400