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388700 = 225213223
BaseRepresentation
bin1011110111001011100
3201202012022
41132321130
544414300
612155312
73206144
oct1367134
9652168
10388700
11246044
12168b38
13107c00
14a1924
157a285
hex5ee5c

388700 has 54 divisors (see below), whose sum is σ = 953064. Its totient is φ = 137280.

The previous prime is 388699. The next prime is 388711. The reversal of 388700 is 7883.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 388700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16889 + ... + 16911.

2388700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476532).

388700 is an abundant number, since it is smaller than the sum of its proper divisors (564364).

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

388700 is a wasteful number, since it uses less digits than its factorization.

388700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 388700 is about 623.4580980307. The cubic root of 388700 is about 72.9801660009.

The spelling of 388700 in words is "three hundred eighty-eight thousand, seven hundred".

Divisors: 1 2 4 5 10 13 20 23 25 26 46 50 52 65 92 100 115 130 169 230 260 299 325 338 460 575 598 650 676 845 1150 1196 1300 1495 1690 2300 2990 3380 3887 4225 5980 7475 7774 8450 14950 15548 16900 19435 29900 38870 77740 97175 194350 388700