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38513750 = 254112801
BaseRepresentation
bin1001001011101…
…0110001010110
32200110200221012
42102322301112
534324420000
63453252222
7645234662
oct222726126
980420835
1038513750
111a815a50
1210a94072
137c96202
1451878a2
1535ab735
hex24bac56

38513750 has 40 divisors (see below), whose sum is σ = 78781032. Its totient is φ = 14000000.

The previous prime is 38513747. The next prime is 38513759. The reversal of 38513750 is 5731583.

38513750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38513759) 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 19 ways as a sum of consecutive naturals, for example, 12350 + ... + 15150.

Almost surely, 238513750 is an apocalyptic number.

38513750 is an abundant number, since it is smaller than the sum of its proper divisors (40267282).

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

38513750 is a wasteful number, since it uses less digits than its factorization.

38513750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 38513750 is about 6205.9447306595. The cubic root of 38513750 is about 337.7058643443.

The spelling of 38513750 in words is "thirty-eight million, five hundred thirteen thousand, seven hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 625 1250 1375 2750 2801 5602 6875 13750 14005 28010 30811 61622 70025 140050 154055 308110 350125 700250 770275 1540550 1750625 3501250 3851375 7702750 19256875 38513750