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385699725 = 3452792411
BaseRepresentation
bin10110111111010…
…100111110001101
3222212202120120000
4112333110332031
51242214342400
6102134514513
712362251665
oct2677247615
9885676500
10385699725
11188798a04
12a9205a39
1361ba55b8
14393211a5
1523cdb600
hex16fd4f8d

385699725 has 60 divisors (see below), whose sum is σ = 723792960. Its totient is φ = 203018400.

The previous prime is 385699703. The next prime is 385699733. The reversal of 385699725 is 527996583.

385699725 is a `hidden beast` number, since 3 + 8 + 569 + 9 + 72 + 5 = 666.

It is not a de Polignac number, because 385699725 - 213 = 385691533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 158770 + ... + 161180.

It is an arithmetic number, because the mean of its divisors is an integer number (12063216).

Almost surely, 2385699725 is an apocalyptic number.

It is an amenable number.

385699725 is a deficient number, since it is larger than the sum of its proper divisors (338093235).

385699725 is a wasteful number, since it uses less digits than its factorization.

385699725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2498 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 385699725 is about 19639.2394200998. The cubic root of 385699725 is about 727.9190910817.

The spelling of 385699725 in words is "three hundred eighty-five million, six hundred ninety-nine thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 79 81 135 225 237 395 405 675 711 1185 1975 2025 2133 2411 3555 5925 6399 7233 10665 12055 17775 21699 31995 36165 53325 60275 65097 108495 159975 180825 190469 195291 325485 542475 571407 952345 976455 1627425 1714221 2857035 4761725 4882275 5142663 8571105 14285175 15427989 25713315 42855525 77139945 128566575 385699725