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11730400 = 2552113143
BaseRepresentation
bin101100101111…
…110111100000
3211001222002021
4230233313200
511000333100
61055231224
7201464263
oct54576740
924058067
1011730400
116692250
123b18514
132579386
1417b4cda
15106aa1a
hexb2fde0

11730400 has 144 divisors (see below), whose sum is σ = 32997888. Its totient is φ = 4032000.

The previous prime is 11730377. The next prime is 11730409. The reversal of 11730400 is 403711.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11730409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272779 + ... + 272821.

It is an arithmetic number, because the mean of its divisors is an integer number (229152).

Almost surely, 211730400 is an apocalyptic number.

11730400 is a gapful number since it is divisible by the number (10) 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 11730400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16498944).

11730400 is an abundant number, since it is smaller than the sum of its proper divisors (21267488).

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

11730400 is a wasteful number, since it uses less digits than its factorization.

11730400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 11730400 is about 3424.9671531272. The cubic root of 11730400 is about 227.2153183483.

The spelling of 11730400 in words is "eleven million, seven hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 31 32 40 43 44 50 55 62 80 86 88 100 110 124 155 160 172 176 200 215 220 248 275 310 341 344 352 400 430 440 473 496 550 620 682 688 775 800 860 880 946 992 1075 1100 1240 1333 1364 1376 1550 1705 1720 1760 1892 2150 2200 2365 2480 2666 2728 3100 3410 3440 3784 4300 4400 4730 4960 5332 5456 6200 6665 6820 6880 7568 8525 8600 8800 9460 10664 10912 11825 12400 13330 13640 14663 15136 17050 17200 18920 21328 23650 24800 26660 27280 29326 33325 34100 34400 37840 42656 47300 53320 54560 58652 66650 68200 73315 75680 94600 106640 117304 133300 136400 146630 189200 213280 234608 266600 272800 293260 366575 378400 469216 533200 586520 733150 1066400 1173040 1466300 2346080 2932600 5865200 11730400