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1053430400 = 27521129927
BaseRepresentation
bin111110110010100…
…001001010000000
32201102012210211202
4332302201022000
54124134233100
6252310400332
735051003441
oct7662411200
92642183752
101053430400
114a06a7940
122549600a8
1313a326ac9
149dc992c8
15627377d5
hex3eca1280

1053430400 has 96 divisors (see below), whose sum is σ = 2838970080. Its totient is φ = 383052800.

The previous prime is 1053430397. The next prime is 1053430403. The reversal of 1053430400 is 40343501.

It is an interprime number because it is at equal distance from previous prime (1053430397) and next prime (1053430403).

It is a super-2 number, since 2×10534304002 = 2219431215288320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1053430403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20237 + ... + 50163.

It is an arithmetic number, because the mean of its divisors is an integer number (29572605).

Almost surely, 21053430400 is an apocalyptic number.

1053430400 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 1053430400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419485040).

1053430400 is an abundant number, since it is smaller than the sum of its proper divisors (1785539680).

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

1053430400 is a wasteful number, since it uses less digits than its factorization.

1053430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29962 (or 29945 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1053430400 is about 32456.5925506668. The cubic root of 1053430400 is about 1017.5020253629.

Adding to 1053430400 its reverse (40343501), we get a palindrome (1093773901).

The spelling of 1053430400 in words is "one billion, fifty-three million, four hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 64 80 88 100 110 128 160 176 200 220 275 320 352 400 440 550 640 704 800 880 1100 1408 1600 1760 2200 3200 3520 4400 7040 8800 17600 29927 35200 59854 119708 149635 239416 299270 329197 478832 598540 658394 748175 957664 1197080 1316788 1496350 1645985 1915328 2394160 2633576 2992700 3291970 3830656 4788320 5267152 5985400 6583940 8229925 9576640 10534304 11970800 13167880 16459850 19153280 21068608 23941600 26335760 32919700 42137216 47883200 52671520 65839400 95766400 105343040 131678800 210686080 263357600 526715200 1053430400