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385398 = 2351361
BaseRepresentation
bin1011110000101110110
3201120200000
41132011312
544313043
612132130
73163416
oct1360566
9646600
10385398
11243612
12167046
13106560
14a0646
15792d3
hex5e176

385398 has 48 divisors (see below), whose sum is σ = 947856. Its totient is φ = 116640.

The previous prime is 385397. The next prime is 385403. The reversal of 385398 is 893583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6288 + ... + 6348.

It is an arithmetic number, because the mean of its divisors is an integer number (19747).

2385398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473928).

385398 is an abundant number, since it is smaller than the sum of its proper divisors (562458).

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

385398 is a wasteful number, since it uses less digits than its factorization.

385398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 79 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 385398 is about 620.8043169953. The cubic root of 385398 is about 72.7729229496.

The spelling of 385398 in words is "three hundred eighty-five thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 61 78 81 117 122 162 183 234 243 351 366 486 549 702 793 1053 1098 1586 1647 2106 2379 3159 3294 4758 4941 6318 7137 9882 14274 14823 21411 29646 42822 64233 128466 192699 385398