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2442400 = 25524371
BaseRepresentation
bin1001010100010010100000
311121002100021
421110102200
51111124100
6124203224
726521462
oct11242240
94532307
102442400
111419014
12999514
1367690c
14478132
15333a1a
hex2544a0

2442400 has 72 divisors (see below), whose sum is σ = 6187104. Its totient is φ = 940800.

The previous prime is 2442389. The next prime is 2442403. The reversal of 2442400 is 42442.

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 (2442403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34365 + ... + 34435.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

22442400 is an apocalyptic number.

2442400 is a gapful number since it is divisible by the number (20) 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 2442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3093552).

2442400 is an abundant number, since it is smaller than the sum of its proper divisors (3744704).

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

2442400 is a wasteful number, since it uses less digits than its factorization.

2442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2442400 is about 1562.8179676469. The cubic root of 2442400 is about 134.6704352549.

Adding to 2442400 its reverse (42442), we get a palindrome (2484842).

It can be divided in two parts, 24 and 42400, that added together give a palindrome (42424).

The spelling of 2442400 in words is "two million, four hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 43 50 71 80 86 100 142 160 172 200 215 284 344 355 400 430 568 688 710 800 860 1075 1136 1376 1420 1720 1775 2150 2272 2840 3053 3440 3550 4300 5680 6106 6880 7100 8600 11360 12212 14200 15265 17200 24424 28400 30530 34400 48848 56800 61060 76325 97696 122120 152650 244240 305300 488480 610600 1221200 2442400