Search a number
-
+
385092 = 223219563
BaseRepresentation
bin1011110000001000100
3201120020200
41132001010
544310332
612130500
73162501
oct1360104
9646220
10385092
11243364
12166a30
13106386
14a04a8
157917c
hex5e044

385092 has 36 divisors (see below), whose sum is σ = 1026480. Its totient is φ = 121392.

The previous prime is 385087. The next prime is 385109. The reversal of 385092 is 290583.

It is a tau number, because it is divible by the number of its divisors (36).

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 385092.

It is an unprimeable number.

385092 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403 + ... + 965.

2385092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (513240).

385092 is an abundant number, since it is smaller than the sum of its proper divisors (641388).

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

385092 is a wasteful number, since it uses less digits than its factorization.

385092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 385092 is about 620.5578135839. The cubic root of 385092 is about 72.7536576614.

The spelling of 385092 in words is "three hundred eighty-five thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 563 684 1126 1689 2252 3378 5067 6756 10134 10697 20268 21394 32091 42788 64182 96273 128364 192546 385092