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385842 = 23107601
BaseRepresentation
bin1011110001100110010
3201121021110
41132030302
544321332
612134150
73164622
oct1361462
9647243
10385842
11243986
12167356
13106812
14a0882
15794cc
hex5e332

385842 has 16 divisors (see below), whose sum is σ = 780192. Its totient is φ = 127200.

The previous prime is 385837. The next prime is 385843. The reversal of 385842 is 248583.

It is not an unprimeable number, because it can be changed into a prime (385843) by changing a digit.

385842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (48762).

2385842 is an apocalyptic number.

385842 is an abundant number, since it is smaller than the sum of its proper divisors (394350).

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

385842 is a wasteful number, since it uses less digits than its factorization.

385842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its digits is 7680, while the sum is 30.

The square root of 385842 is about 621.1618146667. The cubic root of 385842 is about 72.8008583806.

The spelling of 385842 in words is "three hundred eighty-five thousand, eight hundred forty-two".

Divisors: 1 2 3 6 107 214 321 601 642 1202 1803 3606 64307 128614 192921 385842