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388934 = 27132137
BaseRepresentation
bin1011110111101000110
3201202111222
41132331012
544421214
612200342
73206630
oct1367506
9652458
10388934
11246237
121690b2
13108050
14a1a50
157a38e
hex5ef46

388934 has 16 divisors (see below), whose sum is σ = 718368. Its totient is φ = 153792.

The previous prime is 388933. The next prime is 388937. The reversal of 388934 is 439883.

It is a junction number, because it is equal to n+sod(n) for n = 388894 and 388903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887 + ... + 1250.

It is an arithmetic number, because the mean of its divisors is an integer number (44898).

2388934 is an apocalyptic number.

388934 is a deficient number, since it is larger than the sum of its proper divisors (329434).

388934 is a wasteful number, since it uses less digits than its factorization.

388934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its digits is 20736, while the sum is 35.

The square root of 388934 is about 623.6457327682. The cubic root of 388934 is about 72.9948079125.

The spelling of 388934 in words is "three hundred eighty-eight thousand, nine hundred thirty-four".

Divisors: 1 2 7 13 14 26 91 182 2137 4274 14959 27781 29918 55562 194467 388934