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84966400 = 210523319
BaseRepresentation
bin1010001000001…
…11110000000000
312220212201222201
411010013300000
5133222411100
612233042544
72051126311
oct504076000
9186781881
1084966400
1143a63572
1224556454
13147aba9c
14b3da608
1576d536a
hex5107c00

84966400 has 66 divisors (see below), whose sum is σ = 210677240. Its totient is φ = 33976320.

The previous prime is 84966389. The next prime is 84966407. The reversal of 84966400 is 466948.

It is a self number, because there is not a number n which added to its sum of digits gives 84966400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84966407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23941 + ... + 27259.

Almost surely, 284966400 is an apocalyptic number.

84966400 is a gapful number since it is divisible by the number (80) 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 84966400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105338620).

84966400 is an abundant number, since it is smaller than the sum of its proper divisors (125710840).

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

84966400 is a wasteful number, since it uses less digits than its factorization.

84966400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349 (or 3326 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 84966400 is about 9217.7220613338. The cubic root of 84966400 is about 439.6250248835.

The spelling of 84966400 in words is "eighty-four million, nine hundred sixty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1280 1600 2560 3200 3319 5120 6400 6638 12800 13276 16595 25600 26552 33190 53104 66380 82975 106208 132760 165950 212416 265520 331900 424832 531040 663800 849664 1062080 1327600 1699328 2124160 2655200 3398656 4248320 5310400 8496640 10620800 16993280 21241600 42483200 84966400