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30468900 = 223527111319
BaseRepresentation
bin111010000111…
…0101100100100
32010022222110210
41310032230210
530300001100
63005015420
7516660420
oct164165444
963288423
1030468900
1116220810
12a254570
13640a547
144091b80
152a1cc50
hex1d0eb24

30468900 has 144 divisors (see below), whose sum is σ = 109992960. Its totient is φ = 6326400.

The previous prime is 30468899. The next prime is 30468917. The reversal of 30468900 is 986403.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 22441 + ... + 23759.

It is an arithmetic number, because the mean of its divisors is an integer number (763840).

Almost surely, 230468900 is an apocalyptic number.

30468900 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 30468900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54996480).

30468900 is an abundant number, since it is smaller than the sum of its proper divisors (79524060).

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

30468900 is a wasteful number, since it uses less digits than its factorization.

30468900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1347 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 30468900 is about 5519.8641287626. The cubic root of 30468900 is about 312.3337569114. Note that the first 3 decimals are identical.

The spelling of 30468900 in words is "thirty million, four hundred sixty-eight thousand, nine hundred".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 25 28 30 33 35 42 44 50 55 60 66 70 75 77 84 100 105 110 132 140 150 154 165 175 210 220 231 275 300 308 330 350 385 420 462 525 550 660 700 770 825 924 1050 1100 1155 1319 1540 1650 1925 2100 2310 2638 3300 3850 3957 4620 5276 5775 6595 7700 7914 9233 11550 13190 14509 15828 18466 19785 23100 26380 27699 29018 32975 36932 39570 43527 46165 55398 58036 65950 72545 79140 87054 92330 98925 101563 110796 131900 138495 145090 174108 184660 197850 203126 217635 230825 276990 290180 304689 362725 395700 406252 435270 461650 507815 553980 609378 692475 725450 870540 923300 1015630 1088175 1218756 1384950 1450900 1523445 2031260 2176350 2539075 2769900 3046890 4352700 5078150 6093780 7617225 10156300 15234450 30468900