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30750348 = 22317307491
BaseRepresentation
bin111010101001…
…1011010001100
32010212021112210
41311103122030
530333002343
63015030420
7522242106
oct165233214
963767483
1030750348
11163a3212
12a36b410
1364a8695
144126576
152a76333
hex1d5368c

30750348 has 48 divisors (see below), whose sum is σ = 76374144. Its totient is φ = 9596160.

The previous prime is 30750347. The next prime is 30750373. The reversal of 30750348 is 84305703.

It is a super-2 number, since 2×307503482 = 1891167804242208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30750347) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 62383 + ... + 62873.

It is an arithmetic number, because the mean of its divisors is an integer number (1591128).

Almost surely, 230750348 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 30750348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38187072).

30750348 is an abundant number, since it is smaller than the sum of its proper divisors (45623796).

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

30750348 is a wasteful number, since it uses less digits than its factorization.

30750348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 30750348 is about 5545.2996312192. The cubic root of 30750348 is about 313.2925096454.

The spelling of 30750348 in words is "thirty million, seven hundred fifty thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 307 491 614 921 982 1228 1473 1842 1964 2946 3684 5219 5892 8347 10438 15657 16694 20876 25041 31314 33388 50082 62628 100164 150737 301474 452211 602948 904422 1808844 2562529 5125058 7687587 10250116 15375174 30750348