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387343 = 11231531
BaseRepresentation
bin1011110100100001111
3201200100001
41132210033
544343333
612145131
73202165
oct1364417
9650301
10387343
11245020
121681a7
131073c8
14a1235
1579b7d
hex5e90f

387343 has 8 divisors (see below), whose sum is σ = 441216. Its totient is φ = 336600.

The previous prime is 387341. The next prime is 387371. The reversal of 387343 is 343783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 387343 - 21 = 387341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387341) 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 + ... + 1018.

It is an arithmetic number, because the mean of its divisors is an integer number (55152).

2387343 is an apocalyptic number.

387343 is a deficient number, since it is larger than the sum of its proper divisors (53873).

387343 is a wasteful number, since it uses less digits than its factorization.

387343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its digits is 6048, while the sum is 28.

The square root of 387343 is about 622.3688616890. The cubic root of 387343 is about 72.8951393684.

It can be divided in two parts, 3873 and 43, that added together give a triangular number (3916 = T88).

The spelling of 387343 in words is "three hundred eighty-seven thousand, three hundred forty-three".

Divisors: 1 11 23 253 1531 16841 35213 387343