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75104288 = 2572331439
BaseRepresentation
bin1000111101000…
…00000000100000
312020022200201022
410132200000200
5123211314123
611241425012
71601242640
oct436400040
9166280638
1075104288
1139437a66
122119b168
1312737c0c
149d90520
1568d81c8
hex47a0020

75104288 has 48 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 32027136.

The previous prime is 75104279. The next prime is 75104291. The reversal of 75104288 is 88240157.

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 7 ways as a sum of consecutive naturals, for example, 51473 + ... + 52911.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 275104288 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 75104288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84913920).

75104288 is an abundant number, since it is smaller than the sum of its proper divisors (94723552).

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

75104288 is a wasteful number, since it uses less digits than its factorization.

75104288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689 (or 1681 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 75104288 is about 8666.2730167010. The cubic root of 75104288 is about 421.9117085790.

The spelling of 75104288 in words is "seventy-five million, one hundred four thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 233 466 932 1439 1631 1864 2878 3262 3728 5756 6524 7456 10073 11512 13048 20146 23024 26096 40292 46048 52192 80584 161168 322336 335287 670574 1341148 2347009 2682296 4694018 5364592 9388036 10729184 18776072 37552144 75104288