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442254800 = 24521385049
BaseRepresentation
bin11010010111000…
…100010111010000
31010211011212112102
4122113010113100
51401204123200
6111515015532
713650050411
oct3227042720
91124155472
10442254800
11207706639
1210413a5a8
1370817540
1442a43808
1528c5d6d5
hex1a5c45d0

442254800 has 60 divisors (see below), whose sum is σ = 1144262700. Its totient is φ = 163292160.

The previous prime is 442254781. The next prime is 442254803. The reversal of 442254800 is 8452244.

It can be written as a sum of positive squares in 6 ways, for example, as 51955264 + 390299536 = 7208^2 + 19756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442254803) 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 11 ways as a sum of consecutive naturals, for example, 37325 + ... + 47724.

It is an arithmetic number, because the mean of its divisors is an integer number (19071045).

Almost surely, 2442254800 is an apocalyptic number.

442254800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442254800 is an abundant number, since it is smaller than the sum of its proper divisors (702007900).

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

442254800 is a wasteful number, since it uses less digits than its factorization.

442254800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85080 (or 85069 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 442254800 is about 21029.8549685917. The cubic root of 442254800 is about 761.8875059832.

The spelling of 442254800 in words is "four hundred forty-two million, two hundred fifty-four thousand, eight hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 50 52 65 80 100 104 130 200 208 260 325 400 520 650 1040 1300 2600 5200 85049 170098 340196 425245 680392 850490 1105637 1360784 1700980 2126225 2211274 3401960 4252450 4422548 5528185 6803920 8504900 8845096 11056370 17009800 17690192 22112740 27640925 34019600 44225480 55281850 88450960 110563700 221127400 442254800