Search a number
-
+
389750 = 2531559
BaseRepresentation
bin1011111001001110110
3201210122012
41133021312
544433000
612204222
73212204
oct1371166
9653565
10389750
11246909
12169672
1310852a
14a2074
157a735
hex5f276

389750 has 16 divisors (see below), whose sum is σ = 730080. Its totient is φ = 155800.

The previous prime is 389749. The next prime is 389761. The reversal of 389750 is 57983.

It is a nialpdrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (45630).

2389750 is an apocalyptic number.

389750 is a deficient number, since it is larger than the sum of its proper divisors (340330).

389750 is a wasteful number, since it uses less digits than its factorization.

389750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 389750 is about 624.2996075603. The cubic root of 389750 is about 73.0458209858.

The spelling of 389750 in words is "three hundred eighty-nine thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 1559 3118 7795 15590 38975 77950 194875 389750