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146348728 = 2318739767
BaseRepresentation
bin10001011100100…
…01101010111000
3101012101021201021
420232101222320
5244431124403
622304432224
73424641451
oct1056215270
9335337637
10146348728
1175678a69
1241018674
1324420ca6
1415618128
15ccac8bd
hex8b91ab8

146348728 has 16 divisors (see below), whose sum is σ = 274578480. Its totient is φ = 73127808.

The previous prime is 146348723. The next prime is 146348731. The reversal of 146348728 is 827843641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146348723) 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, 10101 + ... + 19867.

It is an arithmetic number, because the mean of its divisors is an integer number (17161155).

Almost surely, 2146348728 is an apocalyptic number.

It is an amenable number.

146348728 is a deficient number, since it is larger than the sum of its proper divisors (128229752).

146348728 is a wasteful number, since it uses less digits than its factorization.

146348728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11646 (or 11642 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 146348728 is about 12097.4678342205. The cubic root of 146348728 is about 526.9826503823.

The spelling of 146348728 in words is "one hundred forty-six million, three hundred forty-eight thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 1873 3746 7492 9767 14984 19534 39068 78136 18293591 36587182 73174364 146348728