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385204425 = 35246311093
BaseRepresentation
bin10110111101011…
…100000011001001
3222211211102010120
4112331130003021
51242103020200
6102120133453
712355116654
oct2675340311
9884742116
10385204425
1118848a871
12a9007289
1361a61018
143923289b
1523c3e9a0
hex16f5c0c9

385204425 has 24 divisors (see below), whose sum is σ = 638304384. Its totient is φ = 204980160.

The previous prime is 385204403. The next prime is 385204427. The reversal of 385204425 is 524402583.

It is not a de Polignac number, because 385204425 - 212 = 385200329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (385204427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29179 + ... + 40271.

It is an arithmetic number, because the mean of its divisors is an integer number (26596016).

Almost surely, 2385204425 is an apocalyptic number.

It is an amenable number.

385204425 is a deficient number, since it is larger than the sum of its proper divisors (253099959).

385204425 is a wasteful number, since it uses less digits than its factorization.

385204425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11569 (or 11564 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 385204425 is about 19626.6254103960. The cubic root of 385204425 is about 727.6073695168.

The spelling of 385204425 in words is "three hundred eighty-five million, two hundred four thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 463 1389 2315 6945 11093 11575 33279 34725 55465 166395 277325 831975 5136059 15408177 25680295 77040885 128401475 385204425