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30033400 = 2352236529
BaseRepresentation
bin111001010010…
…0010111111000
32002111212002011
41302210113320
530142032100
62551415304
7513164635
oct162442770
962455064
1030033400
1115a535a1
12a084534
1362b7257
143dbb18c
152983bba
hex1ca45f8

30033400 has 48 divisors (see below), whose sum is σ = 72874800. Its totient is φ = 11489280.

The previous prime is 30033397. The next prime is 30033401. The reversal of 30033400 is 433003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30033401) 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, 1336 + ... + 7864.

It is an arithmetic number, because the mean of its divisors is an integer number (1518225).

Almost surely, 230033400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30033400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36437400).

30033400 is an abundant number, since it is smaller than the sum of its proper divisors (42841400).

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

30033400 is a wasteful number, since it uses less digits than its factorization.

30033400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568 (or 6559 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 30033400 is about 5480.2737157919. The cubic root of 30033400 is about 310.8385206787.

Adding to 30033400 its reverse (433003), we get a palindrome (30466403).

The spelling of 30033400 in words is "thirty million, thirty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 184 200 230 460 575 920 1150 2300 4600 6529 13058 26116 32645 52232 65290 130580 150167 163225 261160 300334 326450 600668 652900 750835 1201336 1305800 1501670 3003340 3754175 6006680 7508350 15016700 30033400