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11412500 = 22551183
BaseRepresentation
bin101011100010…
…010000010100
3210110211000012
4223202100110
510410200000
61044335352
7166001411
oct53422024
923424005
1011412500
116495420
1239a4558
132497778
141731108
151006735
hexae2414

11412500 has 72 divisors (see below), whose sum is σ = 27560736. Its totient is φ = 4100000.

The previous prime is 11412497. The next prime is 11412509. The reversal of 11412500 is 521411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11412509) 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, 137459 + ... + 137541.

It is an arithmetic number, because the mean of its divisors is an integer number (382788).

Almost surely, 211412500 is an apocalyptic number.

11412500 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 11412500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13780368).

11412500 is an abundant number, since it is smaller than the sum of its proper divisors (16148236).

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

11412500 is an equidigital number, since it uses as much as digits as its factorization.

11412500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11412500 is about 3378.2391863218. The cubic root of 11412500 is about 225.1439408179.

Adding to 11412500 its reverse (521411), we get a palindrome (11933911).

The spelling of 11412500 in words is "eleven million, four hundred twelve thousand, five hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 83 100 110 125 166 220 250 275 332 415 500 550 625 830 913 1100 1250 1375 1660 1826 2075 2500 2750 3125 3652 4150 4565 5500 6250 6875 8300 9130 10375 12500 13750 18260 20750 22825 27500 34375 41500 45650 51875 68750 91300 103750 114125 137500 207500 228250 259375 456500 518750 570625 1037500 1141250 2282500 2853125 5706250 11412500