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385993275 = 35271173419
BaseRepresentation
bin10111000000011…
…100101000111011
3222220022111020020
4113000130220323
51242303241100
6102145101523
712364613553
oct2700345073
9886274206
10385993275
11188979508
12a93278a3
1361c790b5
143939a163
1523d485a0
hex1701ca3b

385993275 has 48 divisors (see below), whose sum is σ = 652458240. Its totient is φ = 201308800.

The previous prime is 385993271. The next prime is 385993301. The reversal of 385993275 is 572399583.

It is not a de Polignac number, because 385993275 - 22 = 385993271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385993271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 921016 + ... + 921434.

It is an arithmetic number, because the mean of its divisors is an integer number (13592880).

Almost surely, 2385993275 is an apocalyptic number.

385993275 is a deficient number, since it is larger than the sum of its proper divisors (266464965).

385993275 is a wasteful number, since it uses less digits than its factorization.

385993275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 671 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 51.

The square root of 385993275 is about 19646.7115568993. The cubic root of 385993275 is about 728.1037135125.

The spelling of 385993275 in words is "three hundred eighty-five million, nine hundred ninety-three thousand, two hundred seventy-five".

Divisors: 1 3 5 15 25 71 75 173 213 355 419 519 865 1065 1257 1775 2095 2595 4325 5325 6285 10475 12283 12975 29749 31425 36849 61415 72487 89247 148745 184245 217461 307075 362435 446235 743725 921225 1087305 1812175 2231175 5146577 5436525 15439731 25732885 77198655 128664425 385993275