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388494 = 232113191
BaseRepresentation
bin1011110110110001110
3201201220200
41132312032
544412434
612154330
73205431
oct1366616
9651820
10388494
11245977
121689a6
13107aa2
14a1818
157a199
hex5ed8e

388494 has 24 divisors (see below), whose sum is σ = 853632. Its totient is φ = 127680.

The previous prime is 388489. The next prime is 388499. The reversal of 388494 is 494883.

It is an interprime number because it is at equal distance from previous prime (388489) and next prime (388499).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388494.

It is not an unprimeable number, because it can be changed into a prime (388499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1939 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (35568).

2388494 is an apocalyptic number.

388494 is an abundant number, since it is smaller than the sum of its proper divisors (465138).

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

388494 is a wasteful number, since it uses less digits than its factorization.

388494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 388494 is about 623.2928685618. The cubic root of 388494 is about 72.9672712484.

The spelling of 388494 in words is "three hundred eighty-eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 18 113 191 226 339 382 573 678 1017 1146 1719 2034 3438 21583 43166 64749 129498 194247 388494