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380609 = 596451
BaseRepresentation
bin1011100111011000001
3201100002122
41130323001
544134414
612054025
73143435
oct1347301
9640078
10380609
1123aa59
12164315
13104318
149c9c5
1577b8e
hex5cec1

380609 has 4 divisors (see below), whose sum is σ = 387120. Its totient is φ = 374100.

The previous prime is 380591. The next prime is 380621. The reversal of 380609 is 906083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906083 = 1753299.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-380609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3167 + ... + 3284.

It is an arithmetic number, because the mean of its divisors is an integer number (96780).

2380609 is an apocalyptic number.

It is an amenable number.

380609 is a deficient number, since it is larger than the sum of its proper divisors (6511).

380609 is an equidigital number, since it uses as much as digits as its factorization.

380609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 380609 is about 616.9351667720. The cubic root of 380609 is about 72.4702374864.

It can be divided in two parts, 380 and 609, that added together give a palindrome (989).

The spelling of 380609 in words is "three hundred eighty thousand, six hundred nine".

Divisors: 1 59 6451 380609