Search a number
-
+
148664 = 2318583
BaseRepresentation
bin100100010010111000
321112221002
4210102320
514224124
63104132
71156265
oct442270
9245832
10148664
11a176a
1272048
1352889
143c26c
152e0ae
hex244b8

148664 has 8 divisors (see below), whose sum is σ = 278760. Its totient is φ = 74328.

The previous prime is 148663. The next prime is 148667. The reversal of 148664 is 466841.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9284 + ... + 9299.

It is an arithmetic number, because the mean of its divisors is an integer number (34845).

2148664 is an apocalyptic number.

It is an amenable number.

148664 is a deficient number, since it is larger than the sum of its proper divisors (130096).

148664 is a wasteful number, since it uses less digits than its factorization.

148664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18589 (or 18585 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 148664 is about 385.5697083538. The cubic root of 148664 is about 52.9747120373.

The spelling of 148664 in words is "one hundred forty-eight thousand, six hundred sixty-four".

Divisors: 1 2 4 8 18583 37166 74332 148664