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385330 = 251131113
BaseRepresentation
bin1011110000100110010
3201120120111
41132010302
544312310
612131534
73163261
oct1360462
9646514
10385330
11243560
12166baa
1310650a
14a05d8
157928a
hex5e132

385330 has 32 divisors (see below), whose sum is σ = 787968. Its totient is φ = 134400.

The previous prime is 385327. The next prime is 385331. The reversal of 385330 is 33583.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (385331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3354 + ... + 3466.

It is an arithmetic number, because the mean of its divisors is an integer number (24624).

2385330 is an apocalyptic number.

385330 is an abundant number, since it is smaller than the sum of its proper divisors (402638).

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

385330 is a wasteful number, since it uses less digits than its factorization.

385330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 385330 is about 620.7495469189. The cubic root of 385330 is about 72.7686426560.

It can be divided in two parts, 3853 and 30, that added together give a palindrome (3883).

The spelling of 385330 in words is "three hundred eighty-five thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 31 55 62 110 113 155 226 310 341 565 682 1130 1243 1705 2486 3410 3503 6215 7006 12430 17515 35030 38533 77066 192665 385330