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148133197 = 3134331093
BaseRepresentation
bin10001101010001…
…01010101001101
3101022201221112201
420311011111031
5300410230242
622411001501
73446053132
oct1065052515
9338657481
10148133197
1176687733
1241739291
13248c72a4
1415960589
15d0114b7
hex8d4554d

148133197 has 8 divisors (see below), whose sum is σ = 149085944. Its totient is φ = 147184128.

The previous prime is 148133191. The next prime is 148133201. The reversal of 148133197 is 791331841.

It can be written as a sum of positive squares in 4 ways, for example, as 3316041 + 144817156 = 1821^2 + 12034^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148133197 - 223 = 139744589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148133191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134983 + ... + 136075.

It is an arithmetic number, because the mean of its divisors is an integer number (18635743).

Almost surely, 2148133197 is an apocalyptic number.

It is an amenable number.

148133197 is a deficient number, since it is larger than the sum of its proper divisors (952747).

148133197 is a wasteful number, since it uses less digits than its factorization.

148133197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its digits is 18144, while the sum is 37.

The square root of 148133197 is about 12170.9981924245. The cubic root of 148133197 is about 529.1158832893.

The spelling of 148133197 in words is "one hundred forty-eight million, one hundred thirty-three thousand, one hundred ninety-seven".

Divisors: 1 313 433 1093 135529 342109 473269 148133197