Search a number
-
+
33498144 = 2533137283
BaseRepresentation
bin111111111001…
…0010000100000
32100000212211000
41333302100200
532033420034
63153552000
7554505141
oct177622040
970025730
1033498144
11179aa719
12b275600
136c2b2b4
14463dac8
152e1a599
hex1ff2420

33498144 has 96 divisors (see below), whose sum is σ = 98763840. Its totient is φ = 11045376.

The previous prime is 33498139. The next prime is 33498187. The reversal of 33498144 is 44189433.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×334981442 = 2244251302889472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 33498099 and 33498108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118227 + ... + 118509.

It is an arithmetic number, because the mean of its divisors is an integer number (1028790).

Almost surely, 233498144 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 33498144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49381920).

33498144 is an abundant number, since it is smaller than the sum of its proper divisors (65265696).

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

33498144 is a wasteful number, since it uses less digits than its factorization.

33498144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 425 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 33498144 is about 5787.7581151945. The cubic root of 33498144 is about 322.3593329203.

The spelling of 33498144 in words is "thirty-three million, four hundred ninety-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 137 144 216 274 283 288 411 432 548 566 822 849 864 1096 1132 1233 1644 1698 2192 2264 2466 2547 3288 3396 3699 4384 4528 4932 5094 6576 6792 7398 7641 9056 9864 10188 13152 13584 14796 15282 19728 20376 27168 29592 30564 38771 39456 40752 59184 61128 77542 81504 116313 118368 122256 155084 232626 244512 310168 348939 465252 620336 697878 930504 1046817 1240672 1395756 1861008 2093634 2791512 3722016 4187268 5583024 8374536 11166048 16749072 33498144