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148129305 = 359875287
BaseRepresentation
bin10001101010001…
…00011000011001
3101022201202012120
420311010120121
5300410114210
622410531453
73446035602
oct1065043031
9338652176
10148129305
1176684815
1241736b89
13248c559c
141595cda9
15d010270
hex8d44619

148129305 has 8 divisors (see below), whose sum is σ = 237006912. Its totient is φ = 79002288.

The previous prime is 148129297. The next prime is 148129307. The reversal of 148129305 is 503921841.

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

It is not a de Polignac number, because 148129305 - 23 = 148129297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148129307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4937629 + ... + 4937658.

It is an arithmetic number, because the mean of its divisors is an integer number (29625864).

Almost surely, 2148129305 is an apocalyptic number.

148129305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148129305 is a deficient number, since it is larger than the sum of its proper divisors (88877607).

148129305 is an equidigital number, since it uses as much as digits as its factorization.

148129305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9875295.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 148129305 is about 12170.8383030915. The cubic root of 148129305 is about 529.1112493133. Note that the first 3 decimals are identical.

The spelling of 148129305 in words is "one hundred forty-eight million, one hundred twenty-nine thousand, three hundred five".

Divisors: 1 3 5 15 9875287 29625861 49376435 148129305