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11382720 = 263571167
BaseRepresentation
bin101011011010…
…111111000000
3210102022011020
4223122333000
510403221340
61043545440
7165515526
oct53327700
923368136
1011382720
116475008
12398b280
13248704b
141724316
15eec9d0
hexadafc0

11382720 has 112 divisors (see below), whose sum is σ = 36868608. Its totient is φ = 2974720.

The previous prime is 11382719. The next prime is 11382727. The reversal of 11382720 is 2728311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11382727) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 68077 + ... + 68243.

It is an arithmetic number, because the mean of its divisors is an integer number (329184).

Almost surely, 211382720 is an apocalyptic number.

11382720 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 11382720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18434304).

11382720 is an abundant number, since it is smaller than the sum of its proper divisors (25485888).

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

11382720 is a wasteful number, since it uses less digits than its factorization.

11382720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 11382720 is about 3373.8286856330. The cubic root of 11382720 is about 224.9479385720.

The spelling of 11382720 in words is "eleven million, three hundred eighty-two thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 71 80 96 120 142 160 167 192 213 240 284 320 334 355 426 480 501 568 668 710 835 852 960 1002 1065 1136 1336 1420 1670 1704 2004 2130 2272 2505 2672 2840 3340 3408 4008 4260 4544 5010 5344 5680 6680 6816 8016 8520 10020 10688 11360 11857 13360 13632 16032 17040 20040 22720 23714 26720 32064 34080 35571 40080 47428 53440 59285 68160 71142 80160 94856 118570 142284 160320 177855 189712 237140 284568 355710 379424 474280 569136 711420 758848 948560 1138272 1422840 1897120 2276544 2845680 3794240 5691360 11382720