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380312 = 23137347
BaseRepresentation
bin1011100110110011000
3201022200122
41130312120
544132222
612052412
73142532
oct1346630
9638618
10380312
1123a809
12164108
1310414a
149c852
1577a42
hex5cd98

380312 has 16 divisors (see below), whose sum is σ = 720360. Its totient is φ = 188224.

The previous prime is 380311. The next prime is 380327. The reversal of 380312 is 213083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380311) 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, 923 + ... + 1269.

2380312 is an apocalyptic number.

It is an amenable number.

380312 is a deficient number, since it is larger than the sum of its proper divisors (340048).

380312 is a wasteful number, since it uses less digits than its factorization.

380312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 380312 is about 616.6944137902. The cubic root of 380312 is about 72.4513823871.

Adding to 380312 its reverse (213083), we get a palindrome (593395).

The spelling of 380312 in words is "three hundred eighty thousand, three hundred twelve".

Divisors: 1 2 4 8 137 274 347 548 694 1096 1388 2776 47539 95078 190156 380312