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44002686 = 23721329397
BaseRepresentation
bin1010011111011…
…0110101111110
310001210120100010
42213312311332
542231041221
64211044050
71043005500
oct247666576
9101716303
1044002686
1122924962
12128a0626
1391686c0
145bb5d70
153ce2c76
hex29f6d7e

44002686 has 96 divisors (see below), whose sum is σ = 114337440. Its totient is φ = 11176704.

The previous prime is 44002643. The next prime is 44002687. The reversal of 44002686 is 68620044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44002687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 110640 + ... + 111036.

It is an arithmetic number, because the mean of its divisors is an integer number (1191015).

Almost surely, 244002686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44002686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57168720).

44002686 is an abundant number, since it is smaller than the sum of its proper divisors (70334754).

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

44002686 is a wasteful number, since it uses less digits than its factorization.

44002686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 44002686 is about 6633.4520424889. The cubic root of 44002686 is about 353.0420171104.

The spelling of 44002686 in words is "forty-four million, two thousand, six hundred eighty-six".

Divisors: 1 2 3 6 7 13 14 21 26 29 39 42 49 58 78 87 91 98 147 174 182 203 273 294 377 397 406 546 609 637 754 794 1131 1191 1218 1274 1421 1911 2262 2382 2639 2779 2842 3822 4263 5161 5278 5558 7917 8337 8526 10322 11513 15483 15834 16674 18473 19453 23026 30966 34539 36127 36946 38906 55419 58359 69078 72254 80591 108381 110838 116718 149669 161182 216762 241773 252889 299338 449007 483546 505778 564137 758667 898014 1047683 1128274 1517334 1692411 2095366 3143049 3384822 6286098 7333781 14667562 22001343 44002686