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385590 = 23512853
BaseRepresentation
bin1011110001000110110
3201120221010
41132020312
544314330
612133050
73164112
oct1361066
9646833
10385590
11243777
12167186
1310667a
14a0742
15793b0
hex5e236

385590 has 16 divisors (see below), whose sum is σ = 925488. Its totient is φ = 102816.

The previous prime is 385589. The next prime is 385591. The reversal of 385590 is 95583.

385590 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (385589) and next prime (385591).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 12853 = 385590 / (3 + 8 + 5 + 5 + 9 + 0).

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385590.

It is not an unprimeable number, because it can be changed into a prime (385591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6397 + ... + 6456.

It is an arithmetic number, because the mean of its divisors is an integer number (57843).

2385590 is an apocalyptic number.

385590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

385590 is an abundant number, since it is smaller than the sum of its proper divisors (539898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

385590 is a wasteful number, since it uses less digits than its factorization.

385590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12863.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 385590 is about 620.9589358404. The cubic root of 385590 is about 72.7850057675.

The spelling of 385590 in words is "three hundred eighty-five thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 12853 25706 38559 64265 77118 128530 192795 385590