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148230730 = 2514823073
BaseRepresentation
bin10001101010111…
…01001001001010
3101022220220100001
420311131021022
5300421340410
622413033214
73446640364
oct1065351112
9338826301
10148230730
1176743a3a
124178580a
132492c7bb
1415987d34
15d03033a
hex8d5d24a

148230730 has 8 divisors (see below), whose sum is σ = 266815332. Its totient is φ = 59292288.

The previous prime is 148230727. The next prime is 148230739. The reversal of 148230730 is 37032841.

It can be written as a sum of positive squares in 2 ways, for example, as 145371249 + 2859481 = 12057^2 + 1691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (148230739) 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 3 ways as a sum of consecutive naturals, for example, 7411527 + ... + 7411546.

Almost surely, 2148230730 is an apocalyptic number.

148230730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148230730 is a deficient number, since it is larger than the sum of its proper divisors (118584602).

148230730 is a wasteful number, since it uses less digits than its factorization.

148230730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14823080.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 148230730 is about 12175.0043121142. The cubic root of 148230730 is about 529.2319836156.

The spelling of 148230730 in words is "one hundred forty-eight million, two hundred thirty thousand, seven hundred thirty".

Divisors: 1 2 5 10 14823073 29646146 74115365 148230730