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148293 = 3216477
BaseRepresentation
bin100100001101000101
321112102100
4210031011
514221133
63102313
71155225
oct441505
9245370
10148293
11a1462
1271999
1352662
143c085
152de13
hex24345

148293 has 6 divisors (see below), whose sum is σ = 214214. Its totient is φ = 98856.

The previous prime is 148279. The next prime is 148301. The reversal of 148293 is 392841.

It can be written as a sum of positive squares in only one way, i.e., 116964 + 31329 = 342^2 + 177^2 .

It is not a de Polignac number, because 148293 - 26 = 148229 is a prime.

It is a d-powerful number, because it can be written as 1 + 47 + 217 + 83 + 92 + 35 .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148243) 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 in 5 ways as a sum of consecutive naturals, for example, 8230 + ... + 8247.

2148293 is an apocalyptic number.

It is an amenable number.

148293 is a deficient number, since it is larger than the sum of its proper divisors (65921).

148293 is a wasteful number, since it uses less digits than its factorization.

148293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16483 (or 16480 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 148293 is about 385.0883015621. The cubic root of 148293 is about 52.9306081301.

It can be divided in two parts, 148 and 293, that added together give a square (441 = 212).

The spelling of 148293 in words is "one hundred forty-eight thousand, two hundred ninety-three".

Divisors: 1 3 9 16477 49431 148293