Search a number
-
+
33206850 = 23252109677
BaseRepresentation
bin111111010101…
…1001001000010
32022111002020100
41332223021002
532000104400
63143423230
7552152655
oct176531102
968432210
1033206850
1117820886
12b154b16
136b58831
1445a589c
152dae100
hex1fab242

33206850 has 72 divisors (see below), whose sum is σ = 90167220. Its totient is φ = 8760960.

The previous prime is 33206819. The next prime is 33206857. The reversal of 33206850 is 5860233.

It can be written as a sum of positive squares in 6 ways, for example, as 26347689 + 6859161 = 5133^2 + 2619^2 .

It is a super-2 number, since 2×332068502 = 2205389773845000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33206857) 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 35 ways as a sum of consecutive naturals, for example, 48712 + ... + 49388.

Almost surely, 233206850 is an apocalyptic number.

33206850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33206850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45083610).

33206850 is an abundant number, since it is smaller than the sum of its proper divisors (56960370).

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

33206850 is a wasteful number, since it uses less digits than its factorization.

33206850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 33206850 is about 5762.5385031252. The cubic root of 33206850 is about 321.4222178638.

The spelling of 33206850 in words is "thirty-three million, two hundred six thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 109 150 218 225 327 450 545 654 677 981 1090 1354 1635 1962 2031 2725 3270 3385 4062 4905 5450 6093 6770 8175 9810 10155 12186 16350 16925 20310 24525 30465 33850 49050 50775 60930 73793 101550 147586 152325 221379 304650 368965 442758 664137 737930 1106895 1328274 1844825 2213790 3320685 3689650 5534475 6641370 11068950 16603425 33206850