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385432 = 2348179
BaseRepresentation
bin1011110000110011000
3201120201021
41132012120
544313212
612132224
73163465
oct1360630
9646637
10385432
11243643
12167074
13106588
14a066c
1579307
hex5e198

385432 has 8 divisors (see below), whose sum is σ = 722700. Its totient is φ = 192712.

The previous prime is 385417. The next prime is 385433. The reversal of 385432 is 234583.

385432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

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

It is a junction number, because it is equal to n+sod(n) for n = 385397 and 385406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385433) by changing a digit.

385432 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 as a sum of consecutive naturals, namely, 24082 + ... + 24097.

2385432 is an apocalyptic number.

It is an amenable number.

385432 is a deficient number, since it is larger than the sum of its proper divisors (337268).

385432 is a wasteful number, since it uses less digits than its factorization.

385432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48185 (or 48181 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 385432 is about 620.8317002216. The cubic root of 385432 is about 72.7750629077.

The spelling of 385432 in words is "three hundred eighty-five thousand, four hundred thirty-two".

Divisors: 1 2 4 8 48179 96358 192716 385432