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385003525 = 5224163901
BaseRepresentation
bin10110111100101…
…011000000000101
3222211110012112211
4112330223000011
51242030103100
6102111543421
712353322154
oct2674530005
9884405484
10385003525
11188362935
12a8b2ab71
13619c074a
14391bd59b
1523c001ba
hex16f2b005

385003525 has 12 divisors (see below), whose sum is σ = 479392804. Its totient is φ = 306720000.

The previous prime is 385003519. The next prime is 385003529. The reversal of 385003525 is 525300583.

It can be written as a sum of positive squares in 6 ways, for example, as 26204161 + 358799364 = 5119^2 + 18942^2 .

It is not a de Polignac number, because 385003525 - 225 = 351449093 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385003529) 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 11 ways as a sum of consecutive naturals, for example, 25926 + ... + 37975.

Almost surely, 2385003525 is an apocalyptic number.

It is an amenable number.

385003525 is a deficient number, since it is larger than the sum of its proper divisors (94389279).

385003525 is a wasteful number, since it uses less digits than its factorization.

385003525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64152 (or 64147 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 385003525 is about 19621.5066954605. The cubic root of 385003525 is about 727.4808550994.

It can be divided in two parts, 3850035 and 25, that multiplied together give a triangular number (96250875 = T13874).

The spelling of 385003525 in words is "three hundred eighty-five million, three thousand, five hundred twenty-five".

Divisors: 1 5 25 241 1205 6025 63901 319505 1597525 15400141 77000705 385003525