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38950128 = 24327172273
BaseRepresentation
bin1001010010010…
…1010011110000
32201021212112100
42110211103300
534432401003
63510500400
7652033140
oct224452360
981255470
1038950128
111aa93898
1211064700
1380b9a19
14525c920
153645ba3
hex25254f0

38950128 has 120 divisors (see below), whose sum is σ = 131964768. Its totient is φ = 10469376.

The previous prime is 38950117. The next prime is 38950141. The reversal of 38950128 is 82105983.

It is a super-2 number, since 2×389501282 = 3034224942432768, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 38950092 and 38950101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16000 + ... + 18272.

Almost surely, 238950128 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 38950128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65982384).

38950128 is an abundant number, since it is smaller than the sum of its proper divisors (93014640).

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

38950128 is a wasteful number, since it uses less digits than its factorization.

38950128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 38950128 is about 6241.0037654211. The cubic root of 38950128 is about 338.9765300795.

The spelling of 38950128 in words is "thirty-eight million, nine hundred fifty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 34 36 42 48 51 56 63 68 72 84 102 112 119 126 136 144 153 168 204 238 252 272 306 336 357 408 476 504 612 714 816 952 1008 1071 1224 1428 1904 2142 2273 2448 2856 4284 4546 5712 6819 8568 9092 13638 15911 17136 18184 20457 27276 31822 36368 38641 40914 47733 54552 63644 77282 81828 95466 109104 115923 127288 143199 154564 163656 190932 231846 254576 270487 286398 309128 327312 347769 381864 463692 540974 572796 618256 695538 763728 811461 927384 1081948 1145592 1391076 1622922 1854768 2163896 2291184 2434383 2782152 3245844 4327792 4868766 5564304 6491688 9737532 12983376 19475064 38950128