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385855075 = 5215434203
BaseRepresentation
bin10110111111111…
…010111001100011
3222220001110122201
4112333322321203
51242234330300
6102142114031
712363466624
oct2677727143
9886043581
10385855075
111888946a1
12a927b917
1361c2b218
1439361a4b
1523d1c66a
hex16ffae63

385855075 has 6 divisors (see below), whose sum is σ = 478460324. Its totient is φ = 308684040.

The previous prime is 385855051. The next prime is 385855079. The reversal of 385855075 is 570558583.

It is not a de Polignac number, because 385855075 - 29 = 385854563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385855079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7717077 + ... + 7717126.

Almost surely, 2385855075 is an apocalyptic number.

385855075 is a deficient number, since it is larger than the sum of its proper divisors (92605249).

385855075 is a wasteful number, since it uses less digits than its factorization.

385855075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15434213 (or 15434208 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 46.

The square root of 385855075 is about 19643.1941139928. The cubic root of 385855075 is about 728.0168070376.

It can be divided in two parts, 38585 and 5075, that added together give a triangular number (43660 = T295).

The spelling of 385855075 in words is "three hundred eighty-five million, eight hundred fifty-five thousand, seventy-five".

Divisors: 1 5 25 15434203 77171015 385855075