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388343 = 2711433
BaseRepresentation
bin1011110110011110111
3201201201002
41132303313
544411333
612153515
73205124
oct1366367
9651632
10388343
1124584a
1216889b
131079b7
14a174b
157a0e8
hex5ecf7

388343 has 4 divisors (see below), whose sum is σ = 390048. Its totient is φ = 386640.

The previous prime is 388319. The next prime is 388351. The reversal of 388343 is 343883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343883 = 3111093.

It is a cyclic number.

It is not a de Polignac number, because 388343 - 212 = 384247 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388313) 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, 446 + ... + 987.

It is an arithmetic number, because the mean of its divisors is an integer number (97512).

2388343 is an apocalyptic number.

388343 is a deficient number, since it is larger than the sum of its proper divisors (1705).

388343 is a wasteful number, since it uses less digits than its factorization.

388343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704.

The product of its digits is 6912, while the sum is 29.

The square root of 388343 is about 623.1717259311. The cubic root of 388343 is about 72.9578163742.

The spelling of 388343 in words is "three hundred eighty-eight thousand, three hundred forty-three".

Divisors: 1 271 1433 388343