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83250328 = 2378317911
BaseRepresentation
bin1001111011001…
…00110010011000
312210122112222111
410331210302120
5132303002303
612132202104
72030421220
oct475446230
9183575874
1083250328
1142aa1227
1223a69334
131432a965
14b0b1080
157496b6d
hex4f64c98

83250328 has 32 divisors (see below), whose sum is σ = 180552960. Its totient is φ = 35246880.

The previous prime is 83250313. The next prime is 83250341. The reversal of 83250328 is 82305238.

It is a super-2 number, since 2×832503282 = 13861234224215168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83250328.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4308 + ... + 13603.

It is an arithmetic number, because the mean of its divisors is an integer number (5642280).

Almost surely, 283250328 is an apocalyptic number.

It is an amenable number.

83250328 is an abundant number, since it is smaller than the sum of its proper divisors (97302632).

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

83250328 is a wasteful number, since it uses less digits than its factorization.

83250328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18007 (or 18003 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 83250328 is about 9124.1617697189. The cubic root of 83250328 is about 436.6451605152.

The spelling of 83250328 in words is "eighty-three million, two hundred fifty thousand, three hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 83 166 332 581 664 1162 2324 4648 17911 35822 71644 125377 143288 250754 501508 1003016 1486613 2973226 5946452 10406291 11892904 20812582 41625164 83250328