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33968500 = 2253411657
BaseRepresentation
bin1000000110010…
…1000101110100
32100220210000121
42001211011310
532143443000
63212021324
7561504346
oct201450564
970823017
1033968500
11181a1045
12b461844
137064407
144723296
152eaeb1a
hex2065174

33968500 has 48 divisors (see below), whose sum is σ = 76042512. Its totient is φ = 13248000.

The previous prime is 33968491. The next prime is 33968509. The reversal of 33968500 is 586933.

It is an interprime number because it is at equal distance from previous prime (33968491) and next prime (33968509).

It can be written as a sum of positive squares in 8 ways, for example, as 23444964 + 10523536 = 4842^2 + 3244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33968509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19672 + ... + 21328.

It is an arithmetic number, because the mean of its divisors is an integer number (1584219).

Almost surely, 233968500 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 33968500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38021256).

33968500 is an abundant number, since it is smaller than the sum of its proper divisors (42074012).

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

33968500 is a wasteful number, since it uses less digits than its factorization.

33968500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 33968500 is about 5828.2501662163. The cubic root of 33968500 is about 323.8611023800.

The spelling of 33968500 in words is "thirty-three million, nine hundred sixty-eight thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 125 164 205 250 410 500 820 1025 1657 2050 3314 4100 5125 6628 8285 10250 16570 20500 33140 41425 67937 82850 135874 165700 207125 271748 339685 414250 679370 828500 1358740 1698425 3396850 6793700 8492125 16984250 33968500