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380238 = 23127499
BaseRepresentation
bin1011100110101001110
3201022120220
41130311032
544131423
612052210
73142365
oct1346516
9638526
10380238
1123a751
12164066
131040c1
149c7dc
15779e3
hex5cd4e

380238 has 16 divisors (see below), whose sum is σ = 768000. Its totient is φ = 125496.

The previous prime is 380231. The next prime is 380251. The reversal of 380238 is 832083.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (48000).

2380238 is an apocalyptic number.

380238 is an abundant number, since it is smaller than the sum of its proper divisors (387762).

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

380238 is a wasteful number, since it uses less digits than its factorization.

380238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 380238 is about 616.6344135710. The cubic root of 380238 is about 72.4466829560.

The spelling of 380238 in words is "three hundred eighty thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 127 254 381 499 762 998 1497 2994 63373 126746 190119 380238