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11418400 = 255272039
BaseRepresentation
bin101011100011…
…101100100000
3210111010002201
4223203230200
510410342100
61044422544
7166024540
oct53435440
923433081
1011418400
1164998a4
1239a7a54
13249a366
141733320
15100836a
hexae3b20

11418400 has 72 divisors (see below), whose sum is σ = 31872960. Its totient is φ = 3912960.

The previous prime is 11418391. The next prime is 11418401. The reversal of 11418400 is 481411.

It is not an unprimeable number, because it can be changed into a prime (11418401) 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 11 ways as a sum of consecutive naturals, for example, 4581 + ... + 6619.

It is an arithmetic number, because the mean of its divisors is an integer number (442680).

Almost surely, 211418400 is an apocalyptic number.

11418400 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 11418400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15936480).

11418400 is an abundant number, since it is smaller than the sum of its proper divisors (20454560).

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

11418400 is a wasteful number, since it uses less digits than its factorization.

11418400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 11418400 is about 3379.1123094683. The cubic root of 11418400 is about 225.1827322135.

Adding to 11418400 its reverse (481411), we get a palindrome (11899811).

The spelling of 11418400 in words is "eleven million, four hundred eighteen thousand, four hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 140 160 175 200 224 280 350 400 560 700 800 1120 1400 2039 2800 4078 5600 8156 10195 14273 16312 20390 28546 32624 40780 50975 57092 65248 71365 81560 101950 114184 142730 163120 203900 228368 285460 326240 356825 407800 456736 570920 713650 815600 1141840 1427300 1631200 2283680 2854600 5709200 11418400