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148086329 = 421351749
BaseRepresentation
bin10001101001110…
…01111000111001
3101022122120020212
420310321320321
5300402230304
622410000505
73445466366
oct1064717071
9338576225
10148086329
11766554a6
1241716135
13248abb61
141594b46d
15d00266e
hex8d39e39

148086329 has 4 divisors (see below), whose sum is σ = 148438500. Its totient is φ = 147734160.

The previous prime is 148086317. The next prime is 148086343. The reversal of 148086329 is 923680841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76650025 + 71436304 = 8755^2 + 8452^2 .

It is a cyclic number.

It is not a de Polignac number, because 148086329 - 24 = 148086313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148086229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175454 + ... + 176295.

It is an arithmetic number, because the mean of its divisors is an integer number (37109625).

Almost surely, 2148086329 is an apocalyptic number.

It is an amenable number.

148086329 is a deficient number, since it is larger than the sum of its proper divisors (352171).

148086329 is an equidigital number, since it uses as much as digits as its factorization.

148086329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352170.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 148086329 is about 12169.0726433858. The cubic root of 148086329 is about 529.0600749143.

The spelling of 148086329 in words is "one hundred forty-eight million, eighty-six thousand, three hundred twenty-nine".

Divisors: 1 421 351749 148086329