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1404214400 = 27522319079
BaseRepresentation
bin101001110110010…
…1001110010000000
310121212021111000202
41103230221302000
510333434330100
6351201104332
746540424351
oct12354516200
93555244022
101404214400
11660708076
123323280a8
13194bc5ac4
14d46cbd28
15834287d5
hex53b29c80

1404214400 has 96 divisors (see below), whose sum is σ = 3619857600. Its totient is φ = 537236480.

The previous prime is 1404214391. The next prime is 1404214421. The reversal of 1404214400 is 44124041.

It is a happy number.

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

It is an unprimeable number.

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, 64061 + ... + 83139.

It is an arithmetic number, because the mean of its divisors is an integer number (37706850).

Almost surely, 21404214400 is an apocalyptic number.

1404214400 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 1404214400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809928800).

1404214400 is an abundant number, since it is smaller than the sum of its proper divisors (2215643200).

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

1404214400 is a wasteful number, since it uses less digits than its factorization.

1404214400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19126 (or 19109 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1404214400 is about 37472.8488375250. The cubic root of 1404214400 is about 1119.8103420353.

Adding to 1404214400 its reverse (44124041), we get a palindrome (1448338441).

The spelling of 1404214400 in words is "one billion, four hundred four million, two hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 23 25 32 40 46 50 64 80 92 100 115 128 160 184 200 230 320 368 400 460 575 640 736 800 920 1150 1472 1600 1840 2300 2944 3200 3680 4600 7360 9200 14720 18400 19079 36800 38158 73600 76316 95395 152632 190790 305264 381580 438817 476975 610528 763160 877634 953950 1221056 1526320 1755268 1907900 2194085 2442112 3052640 3510536 3815800 4388170 6105280 7021072 7631600 8776340 10970425 12210560 14042144 15263200 17552680 21940850 28084288 30526400 35105360 43881700 56168576 61052800 70210720 87763400 140421440 175526800 280842880 351053600 702107200 1404214400