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380233 = 754319
BaseRepresentation
bin1011100110101001001
3201022120201
41130311021
544131413
612052201
73142360
oct1346511
9638521
10380233
1123a747
12164061
131040b9
149c7d7
15779dd
hex5cd49

380233 has 4 divisors (see below), whose sum is σ = 434560. Its totient is φ = 325908.

The previous prime is 380231. The next prime is 380251. The reversal of 380233 is 332083.

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: 332083 = 834001.

It is a cyclic number.

It is not a de Polignac number, because 380233 - 21 = 380231 is a prime.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 380233.

It is not an unprimeable number, because it can be changed into a prime (380231) 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, 27153 + ... + 27166.

It is an arithmetic number, because the mean of its divisors is an integer number (108640).

2380233 is an apocalyptic number.

It is an amenable number.

380233 is a deficient number, since it is larger than the sum of its proper divisors (54327).

380233 is an equidigital number, since it uses as much as digits as its factorization.

380233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54326.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 380233 is about 616.6303592915. The cubic root of 380233 is about 72.4463654049.

The spelling of 380233 in words is "three hundred eighty thousand, two hundred thirty-three".

Divisors: 1 7 54319 380233