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33980472 = 2334411279
BaseRepresentation
bin1000000110100…
…0000000111000
32100221101110000
42001220000320
532144333342
63212153000
7561554301
oct201500070
970841400
1033980472
11181aa039
12b468760
1370699b6
1447277a8
152eb344c
hex2068038

33980472 has 80 divisors (see below), whose sum is σ = 97574400. Its totient is φ = 11041920.

The previous prime is 33980461. The next prime is 33980533. The reversal of 33980472 is 27408933.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 25929 + ... + 27207.

It is an arithmetic number, because the mean of its divisors is an integer number (1219680).

Almost surely, 233980472 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 33980472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48787200).

33980472 is an abundant number, since it is smaller than the sum of its proper divisors (63593928).

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

33980472 is a wasteful number, since it uses less digits than its factorization.

33980472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1325 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 33980472 is about 5829.2771421506. The cubic root of 33980472 is about 323.8991455641.

The spelling of 33980472 in words is "thirty-three million, nine hundred eighty thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 41 54 72 81 82 108 123 162 164 216 246 324 328 369 492 648 738 984 1107 1279 1476 2214 2558 2952 3321 3837 4428 5116 6642 7674 8856 10232 11511 13284 15348 23022 26568 30696 34533 46044 52439 69066 92088 103599 104878 138132 157317 207198 209756 276264 314634 414396 419512 471951 629268 828792 943902 1258536 1415853 1887804 2831706 3775608 4247559 5663412 8495118 11326824 16990236 33980472