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380229 = 3126743
BaseRepresentation
bin1011100110101000101
3201022120120
41130311011
544131404
612052153
73142353
oct1346505
9638516
10380229
1123a743
12164059
131040b5
149c7d3
15779d9
hex5cd45

380229 has 4 divisors (see below), whose sum is σ = 506976. Its totient is φ = 253484.

The previous prime is 380207. The next prime is 380231. The reversal of 380229 is 922083.

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: 922083 = 3307361.

It is a cyclic number.

It is not a de Polignac number, because 380229 - 25 = 380197 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 380199 and 380208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380269) 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, 63369 + ... + 63374.

It is an arithmetic number, because the mean of its divisors is an integer number (126744).

2380229 is an apocalyptic number.

It is an amenable number.

380229 is a deficient number, since it is larger than the sum of its proper divisors (126747).

380229 is a wasteful number, since it uses less digits than its factorization.

380229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126746.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 380229 is about 616.6271158488. The cubic root of 380229 is about 72.4461113620.

The spelling of 380229 in words is "three hundred eighty thousand, two hundred twenty-nine".

Divisors: 1 3 126743 380229